Regular Unit 7 Toolbox Review

Select all the statistical questions.

ⓐ How many days are in the year?

ⓑ How many houses are in your town?

ⓒ What percent of Long Grove High School students like pizza?

ⓓ What is the average temperature in January?

ⓔ When does Matchell Bank open in the morning?

• a

• b

• c

• d

• e

Amir collected data from his sixth-grade class at Liberty Middle School. Which question could Amir ask as a statistical question?

ⓐ What time do classes start at Liberty Middle School?

ⓑ What is your favorite subject?

ⓒ How many students are in the sixth grade at the start of this year?

ⓓ How many subjects are there in sixth grade?

• a

• b

• c

• d

Select all of the statistical questions.

a.) How old are the students in my school?

b.) How many pets do I own?

c.) How many pets are owned by each student in my grade level?

d.) How old am I?

• a

• b

• c

• d

Select all of the statistical questions.

a.) What are the math test scores of the students in my class?

b.) How many cupcakes of each type were made at the bakery in a week?

c.) What is my math test score?

d.) What is my favorite type of cupcake

• a

• b

• c

• d

Select all of the statistical questions.

a.) How many letters are in my name?

b.) What is my height?

c.) How many letters are in the names of each person in my class?

d.) What is the height of each person in my class?

• a

• b

• c

• d

According to the data, what is the average amount of time Linda spent practicing per day?

• 29.3

• 30.3

• 28.3

• 33

According to the data, what is Linda’s variation among all 10 days?

• 18

• 15

• 12

• 8

• a

• b

• c

• d

A graph with unimodal distribution means?

• It has 1 peak

• It has 2 peaks

• It has no peaks and is the same shape throughout

A graph with bimodal distribution means?

• It has 1 peak

• It has 2 peaks

• It has no peaks and is the same shape throughout