find the mean of the data summarized in the given frequency distribution

Answers

Answer 1

Answer:

Step 1: Find the midpoint of each interval. Step 2: Multiply the frequency of each interval by its mid-point. Step 3: Get the sum of all the frequencies (f) and the sum of all the fx. Divide 'sum of fx' by 'sum of f ' to get the mean.


Related Questions

Luke tried his best to remember the items from his grocery list he left at home, but he could only remember the first few items. This is an example of __________. A. Primacy B. Recency C. Chunking D. Blocking Please select the best answer from the choices provided A B C D.

Answers

Answer:

A. Primacy

Explanation:

The primacy effect - a tendency to recall information at the start of a list.

Luke has been missing its grocery list at home, and now he is hardly remembering the items that have to be purchased. This is an example of Recency.

The reason for the correct answer:

The consequences that have been mentioned in the context match with the situation of recency because Luke has remembered the things that have been recent to his memory and has missed all those items that have been a while for him to get into the memory.

The other mentioned options in the context are wrong because they did not exactly fit the situation of Luke.

Luke is in a situation of recency that cannot comply with the primary, chunking, or Blocking. These are in the context of other situations.

Therefore, the correct option is B.

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Help me please?!
How do they compare between Maya and Rome?​

Answers

Answer:

similar patterns of cultural evolution and developed similar vulnerabilities.

Explanation:

The bystander effect refers to the tendency for an observer of an emergency to withhold aid if the:

Answers

The bystander effect refers to the tendency for an observer of an emergency to withhold aid if the: environment has other people who are present in it.

The Bystander effect was proposed by Social Psychologists John M. Darley and Bibb Latane in the year 1968. It propounds that a person is most likely going to withhold aid from others if there are other people present in the environment.

The research was borne from the murder of Kitty Genovese. People's reactions to helping others in emergency situations.

It was seen that the presence of people limited people's ability to help.

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What aspects are included under tje ‘Right to Equality ’ in the constitution of nepal ?​

Answers

These include freedom to live with dignity, freedom of speech and expression, religious and cultural freedom, right against untouchability and discrimination

TWO reasons why parents may need guidance in dealing with teenage children

Answers

Answer:

1. Parents might be confused why kids are acting strangely and having an "attitude". 2. Teens might feel as though they cannot communicate to their parents because they think their parents need to adjust their behavior, resulting in the parents needing to get guidance to better communicate and understand teens! :)

Explanation:

What trust really means ?​

Answers

firm belief in the character, strength, or truth of someone or something He placed his trust in me. 2 : a person or thing in which confidence is placed. 3 : confident hope I waited in trust of their return. 4 : a property interest held by one person or organization (as a bank) for the benefit of another.

Answer:

firm belief in the character, strength, or truth of someone or something He placed his trust 

During the New South era, many state and local governments passed _______________ to undermine the rights Black Americans had won after the Civil War. A. Jim Crow laws B. Blue Codes C. the Civil Rights Act D. the 15th Amendment

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i wanna say A bc slaves were free but the JCL took away a lot from african americans

12. Hamilton's view of the Constitution was called

Answers

It was called “ Federalists No. 78”

which religious group was the first to form an abolitionist group?

Answers

Answer:

The Quakers

Explanation:

Please help I’ll give brainliest

Answers

they would appear to be cousins

Read the excerpt from "Dwaina Brooks.”

Then one afternoon, Dwaina talked with a young man who had been without a home for a long time.

"What do you need?" she asked him.

"I need a job and a permanent home," he replied.

"Well, I can't give you that," she answered impatiently. "I don't have a job either. Don't you need anything else?"

"Yeah. I would love a really good meal again."

How is Dwaina affected by her conversation with the young man?

She decides to keep sending her lunch money to the shelter.
She realizes that there is something she can do to help him.
She decides, out of frustration, to stop helping those at the shelter.
She realizes that she is unable to help make his life any better.

Answers

Answer:

B

Explanation:

I just took the test

Dwaina was affected by her conversation with the young man because she realizes that there is something she can do to help him.

What is the story of Dwaina Brooks?

The story is about a 11 year old teen in Dallas, Texas that couldn't stand the fact that homeless people weren't getting enough food in the state.

In the story, Dwaina was affected by her conversation with the young man because she realizes that there is something she can do to help him.

Therefore, the Option B is correct.

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Our physical energy isn't connected to what we eat when we're young because we're just so energetic anyway.
True
False

I need help ASAP!!!

Answers

Answer:

False

Explanation:

Sorry I'm late but if this answer is right I hope it can help someone else!

.

Which of the following is accurate about the Hanging Gardens?

A-The plants in the garden hung upside-down from the roof.

B-It was created for Nebuchadnezzar’s wife.

C-It was created in order to produce more crops.

D-The garden was maintained by Nebuchadnezzar’s wife.

Answers

the plants in the garden hung upside-down from the roof

Answer:

A- THE PLANTS IN THE GARDEN IS HUNG UPSIDE DOWN FROM THE ROOF

Explanation:

THATS THE CORRECT ANSWER

#KEEP ON LEARNING

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ILL FOLLOW YOU BACK THANK YOU MWA HAHAHA CHAROT

Olivia is making a model plant cell for an exhibit at the science fair at her school. Her plan includes using: 1) mesh screen to model the cell membrane 2) cardboard to model the cell wall 3) a battery to model the mitochondrion 4) a wooden block to model the nucleus Evaluate each of the choices Olivia made. If you agree with the choice, explain why you agree with it. If you disagree with the choice, explain why you disagree with it and indicate what she should use instead.

Answers

Answer:

Olivia is doing a plant cell

Explanation:

Olivia is making a plant cell, but she gave to model it for the science fair at her schoo. she using a cell membrane, cardboard, and a battery.

Deer are introduced into a grassland ecosystem and their population increases considerably. If the deer population continues to grow, which is the MOST likely outcome for the ecosystem?

Biodiversity would decrease, and sustainability would decrease.

Biodiversity would decrease, and sustainability would increase.

Biodiversity would increase, and sustainability would increase.

Biodiversity would increase, and sustainability would decrease.

Answers

Biodiversity would decrease, and sustainability would decrease is the correct answer

If Deers are introduced to grassland ecosystem and their population increases considerably then plants will decrease because deers will consume more plants for their living.

The correct answer is Biodiversity would decrease and sustainability would decrease.

What is Ecosystem?

Ecosystem is a geographic area where animals, plants and other organisms work together to form a bubble of life. Ecosystem contains biotics and abiotic factors.

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What are some items that a referee can work on to help with making clear, confident, and consistent decisions

Answers

Based on the standard practice of referees in sporting activities, some items that a referee can work on to help make clear, confident, and consistent decisions include "not dwelling over a mistake made during the game."

Who is a Referee?

A Referee in sporting activities is an official of the game who watches a match keenly to arbitrate on the game's rules and make sure the rules are adhered to.

Other items that a referee can work on to help with making clear, confident, and consistent decisions include Communicating with other officials of the games.Referring without emotions or bias.Assert authority during the game.Only communicate with team captains.Give appropriate cards where necessary, etc.

Hence, in this case, it is concluded that being a referee requires some specific skills.

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Based on the information above, which of these subjects would most likely be easily hypnotizable? A. Louis B. Olivia C. Frank D. Alice

Answers

Louis  is the subjects that is most likely to be easily hypnotizable.

 

Here, Louis is suffering from Alzheimer's disease and 90 years old.

The Alzheimer disease means a brain disorder that destroys memory and thinking ability.

Hence, if one hypnotize Louis, then, he will be hypnotized quite easily due to the age factor and disease he is suffering from.

The other options are not easily hypnotizable because Olivia does not want to be hypnotized, frank lacks an attention and Alice is a business woman.

Hence, Louis  is the subjects that is most likely to be easily hypnotizable.

Therefore, the Option A is correct.

Missing word include "Louis is 90 years old and suffers from Alzheimer’s disease. Olivia is 24 years old and does not want to be hypnotized. Frank is 16 years old and has attention deficit disorder. Alice is 30 years old and is a successful business woman. All of these subjects are otherwise healthy."

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Answer:

alice

Explanation:

purr good luck

David hubel and torsten wiesel’s research on responses of the brain to visual stimuli showed that:

Answers

Given what we know we can confirm that David Hubel and Torsten Wiesel’s research on responses of the brain to visual stimuli showed the phenomenon of ocular dominance.

What is ocular dominance?Ocular dominance was shown to be true through experiments completed by these scientists. They showed that some neurons in the brain would respond to the stimuli from one eye, while not responding to the other. They dubbed this mystery "Ocular dominance".They went on to provide information regarding the structure and path of the neurons related to each eye as well.

Therefore, we can confirm that David Hubel and Torsten Wiesel’s research on responses of the brain to visual stimuli showed the phenomenon of ocular dominance by showing the reaction of neurons to stimuli from only one eye.

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How far is bristol tennessee from memphis tennessee?

Answers

Answer: Get a quick answer: It's 503 miles or 810 km from Memphis to Bristol (Tennessee) which takes about 7 hours, 25 minutes to drive

Explanation:

NEED HELP ASAP PLZ

If you impose tax on goods, which good should be taxed high, and why?

Answers

No idea how this is social studies most likely items that are expensive would be taxed higher the government would be like oh yes this person has money to buy expensive things make them pay more

Which of the following vocabulary words contain double consonants? select all that apply

Whit
Confidant
Census
Formally
illicit
plaintiff

Answers

Formally, Illicit, and plaintiff

I hope this helps have a great day and happy holidays :)

school officials can release personally identifiable information without parental consent if

Answers

The identifiable information in this context means the personal information of the student such as

AgeClassDate of BirthGrades etc

Those information are supplied to the school by the parent of the School children.

However, the school officials can release those information without parental consent to

school officials with a legitimate educational interest

other schools to which a student intends to enroll

education officials for audit purposes

accrediting organizations etc.

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which star has hosted saturday night live a record 17 times?

Answers

Answer:

alec baldwin

Explanation:

what was Ewing young role in setting up a provisional goverment in oregon country

Answers

Answer:

Who were American citizens in Oregon Country governed by? No one, or themselves. What was Ewing Young's role in setting up a provisional government in Oregon Country? His death without a will or an heir caused settlers to form new laws.

Explanation:

which constitutional provision forbids conflict between state and federal laws?

Answers

Answer:

Article VI, Paragraph 2 of the U.S. Constitution which is known as the Supremacy Clause.

Explanation:

It establishes that the federal constitution and federal law preempt state laws and state constitutions.

The constitutional provision which forbids conflict between state and federal laws is the Supremacy Clause which is found in Article VI, paragraph 2 of the United States Constitution. It declares that the federal constitution and federal law take precedence over state laws and state constitutions.

The Supremacy Clause of the United States Constitution specifies that the Constitution, federal laws enacted according to it, and treaties enacted under its authority constitute the "supreme Law of the Land" and so take precedence over any conflicting state laws.

It states that state courts are obligated by the supreme law, and state constitutions are subordinate to it.

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Read the excerpt from "Dwaina Brooks.”

Dwaina tore into the house that night after school and found her mother, Gail. As usual, she was in the kitchen. "Mama," Dwaina said. "I need you to help me fix some stuff to take down to that shelter we call at school. Let's make up as much as we can. Sandwiches and chicken. Let's get everyone to do it. C’mon."

In this excerpt, Dwaina’s words and actions reveal that she is

overbearing.
gentle.
carefree.
determined.

Answers

Answer:

D- Determined

Explanation:

Answer:

D

Explanation:

I just took the exam

3. Which of the following is not a factor of production?
a. capital resources
b. labor resources
c. natural resources
d. money resources

Answers

Answer:

Labour Resources

Employers demand labor because workers are an important part of the production process. Workers use tools and equipment to turn inputs into output. Without workers, employers couldn't produce goods and services and earn profits.

Explanation:

Hope this helps !!

how is unity strength and a binding force?​

Answers

Unity and strength are a binding force because they keep a group of people together and help them work together based on their collective and individual strengths, which helps to reduce individual weaknesses.

Unity can be defined as the concept of being together and single minded about achieving a particular goal.

This is a very important factor to have especially in a group and mix that with strength and they are stronger and more difficult to defeat. This would help them achieve their goals faster.

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Define the word inflation

Answers

Answer:

General definition: the action of inflating something or the condition of being inflated.

Astronomic definition: (in some theories of cosmology) a very brief exponential expansion of the universe postulated to have interrupted the standard linear expansion shortly after the Big Bang.

Economic definition: a general increase in prices and fall in the purchasing value of money.

Answer:

Inflation is the action of inflating something or the condition of being inflated.

When driving yourself to school on a Tuesday at 8:00 am, you see this sign over the lane you are in. What should you do

Answers

When driving yourself to school on a Tuesday at 8:00 am, you see this sign over the lane you are in stay in the lane, high occupancy vehicles can't use this in the a.m.

Driving, which includes controlling the operation as well as the movement of a car, motorcycle, truck, or bus. Drivers are expected to abide by the established road as well as traffic laws in the area they are traveling to receive permission to drive along public roadways.

A strong understanding of traffic regulations, maintenance expertise, and problem-solving abilities are all examples of driving skills. Many drivers learn these abilities in school, through on-the-job training, or even just organically.

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When driving yourself to school on a Tuesday at 8:00 am, you see this sign over the lane you are in. What should you do?

A) switch lanes. only high occupancy vehicles can use this in the a.m.

B) switch to another lane. this may only be used by buses in the a.m.

C) stay in the lane. high occupancy vehicles can't use this in the a.m.

D) nothing. nobody can tell you are driving by yourself.

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