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2/16/2023-HW Unit 2 Test Review--Analyzing Categorical Data

Last updated over 2 years ago
32 questions
Required
1


The graph shows the average home prices in 1998 and 1999. Explain why the graph may be misleading.

1


Draw a new graph to display the data more accurately.

Include a title, appropriate scale and label x and y axes.

(use show your work or draw it on your scratch paper)

Required
1


The graph is displaying test score % from 2000 to 2020. What does this graph tell us AND are there any features that make it deceptive?

1


Draw a new graph to display the data more accurately.

Include a title, appropriate scale and label x and y axes.

(use show your work or draw it on your scratch paper)

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of males who prefer horror/thriller.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of males who prefer romantic comedy.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of males who prefer action.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of females who prefer horror/thriller.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of females who prefer romantic comedy.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Find the relative frequency of females who prefer action.

Express your answer as a % rounded to a whole number.

Required
1

A movie theater manager wondered if there is an association between gender and type of movie preferred for all customers. The manager surveyed a random sample of 200 customers and asked, “What is your favorite type of movie?” The table shows the responses.


Draw a segmented bar graph to describe the data. (you may use the show your work or you can do this on paper if you choose)

Include a title, appropriate scale and label x and y axes.

(use show your work or upload your graph into show your work)

Required
1

Based on the data from #11, is gender associated or independent of the type of movie someone likes?

Required
1

Give an explantion of why you gave your answer for #12.

Required
1

Imagine flipping a coin 3 times.

Describe the sample space in show your work.

Required
1

Imagine flipping a coin 3 times.

Given the sample space, what is the total number of outcomes?

Required
1

Imagine flipping a coin 3 times.

Define event A as getting at least 1 heads. Find P(A).

express your answer as a decimal to 3 places beyond the decimal (the thousandth's place).

Required
1

Imagine flipping a coin 3 times.

Define event B as getting exactly 1 tails. Find P(A).

express your answer as a decimal to 3 places beyond the decimal (the thousandth's place).

Required
1

In one of Mrs. Boyd's prob/stats classes, students were asked to decide which pet preference they had out of the following 4 options. The distributed probabilities for the students preference in the class are described below.


Given the data, what is the probability that a student will choose dog or ferret?

(express your answer as a decimal to the hundreths place)

Required
1

In one of Mrs. Boyd's prob/stats classes, students were asked to decide which pet preference they had out of the following 4 options. The distributed probabilities for the students preference in the class are described below.


Given the data, what is the probability that a student will NOT choose a dog or a reptile?

(express your answer as a decimal to the hundreths place)

Required
1

In one of Mrs. Boyd's prob/stats classes, students were asked to decide which pet preference they had out of the following 4 options. The distributed probabilities for the students preference in the class are described below.


Given the data, what is the probability that a student will NOT choose a cat?

(express your answer as a decimal to the hundreths place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the explanatory variable?

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the response varible?

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability that a person ate the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability that a person didn't get sick?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability that a person ate the potato salad and didn't get sick?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability that a person got sick and they ate the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability that a person didn't get sick and they didn't eat the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


Given a person ate the potato salad, what is the probability that they ate the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


Given a person got sick, what is the probability that they didn't eat the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability a person didn't eat the potato salad or they got sick?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

After a company picnic a large portion of the employees called off sick the next day. Management began to wonder if the employees got food poisoning from the potato salad that was at the picnic. They selected a random sample of 50 employees and asked them if they ate the potato salad and if they got sick. Here are the results:


What is the probability a person didn't get sick or they didn't eat the potato salad?

Express your answer as a decimal. Round your answer to 3 places beyond the decimal (the thousdandth's place)

Required
1

Create a 2 way table based on the following information:

A random sample of 236 men and woman were asked if they go to bed before 10:00PM. 49 out of 102 women stated that they go to bed before 10:00PM and 68 men stated that they go to bed after 10:00PM.

Create a 2 way table in show your work or upload your own version. (be sure it's legible)