unit 10 exam re

unit 10 exam re

A.Fifteen more students chose ice cream than cheese crackers.

B.This student’s favorite snack is equally likely to be either ice cream or cheese & crackers.

C.the same number of students choose chip as crackers

D.This student’s favorite snack is twice as likely to be ice cream as it is to be fruit.

Which statement is true?

• Start by crossing out all statements that are wrong.

• Use table to check statement is true

Multiple Choice

• Fifteen more students chose ice cream than cheese crackers.

• This student’s favorite snack is equally likely to be either ice cream or cheese & crackers.

• The same number of students choose chip as crackers

• D.This student’s favorite snack is twice as likely to be ice cream as it is to be fruit.

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

_{The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?}

How to solve

1. Set up proportions for listening to muic and playing tennis.

Multiple Choice

What is the portion for listen to music?

• $\frac{x}{24}=\frac{100}{12}$

• $\frac{24}{100}=\frac{12}{x}$

• $\frac{x}{24}=\frac{12}{100}$

• $\frac{24}{12}=\frac{x}{100}$

Multiple Choice

What is the portion for playing tennis?

•  $\frac{x}{24}=\frac{100}{10}$ 

•  $\frac{x}{24}=\frac{10}{100}$ 

•  $\frac{10}{24}=\frac{x}{100}$ 

•  $\frac{24}{10}=\frac{x}{100}$ 

Multiple Choice

Solve for Tennis   $\frac{x}{24}=\frac{12}{100}$  

• 2.88
  
  

• 2.40

• 0.48

• 0.12

Multiple Choice

Solve for listening to music   $\frac{x}{24}=\frac{10}{100}$  

• 2.88
  
  

• 2.40

• 0.48

• 0.12

Multiple Choice

• 2.88

• .48

• 2.40

• .12

How do you solve?

Questions to think about?

What is the total amount of book checked out?

What percent check out adventure?

What percent check out science- fiction?

Multiple Choice

How many book did the student check- out?

• 102

• 111

• 86

• 112

Multiple Choice

What percent of students checked out science-fiction?

• 54.78%

• 49%

• 54.88%

• 54.68%

Multiple Choice

What percent of students checked out Adventure?

• 23.52%

• 21%

• 23.62%

• 23.42%

Multiple Choice

• F

• G

• H

• J

^{The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?}

Question to think about?

^{What proportion do I set up to solve?}

^{What does more time mean?}

Multiple Choice

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

In the question what does more time mean?

• add

• substract

• divide

• multiply

Multiple Choice

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

What is proportion for Allen's time spent playing tennis?

•  $\frac{24}{10}=\frac{x}{100}$  

•  $\frac{x}{100}=\frac{24}{10}$  

•  $\frac{x}{24}=\frac{10}{100}$  

•  $\frac{24}{x}=\frac{10}{100}$  

Multiple Choice

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

What is Allen's time spent playing tennis?

• 2.88

• 2.40

• 0.48

• .12

Multiple Choice

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

What is proportion for Allen's time listening to music?

•  $\frac{24}{12}=\frac{x}{100}$  

•  $\frac{x}{100}=\frac{24}{12}$  

•  $\frac{x}{24}=\frac{12}{100}$  

•  $\frac{24}{x}=\frac{12}{100}$  

Multiple Choice

The circle graph below shows Allen’s activities during 24 hours. How much more time, in hours, did Allen spend listening to music than playing tennis?

• 2.88

• 2.40

• 0.48

• .12

Multiple Choice

Which of the following examples best represents a random sample?

• Asking 10 people at a Rocket game their favorite sport

• Asking 10 people at Lil Wayne concert who is their favorite rapper

• Asking 10 people after school their favorite type of shoes

• Asking 10 students whether or not they should be able to use cell phones in class

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• F

• G

• H

• J

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• F

• G

• H

• J

Multiple Choice

What is Q3?

• 1

• 4

• 5

• 6

• 8

Multiple Choice

What is Q1?

• 1

• 4

• 5

• 6

• 8

Multiple Choice

What is Q2?

• 1

• 4

• 5

• 6

• 8

Multiple Choice

What is the Max in this box and whiskers?

• 1

• 4

• 5

• 6

• 8

Multiple Choice

What is the Min in this box and whiskers?

• 1

• 4

• 5

• 6

• 8

Multiple Choice

What is the interquartile range (IQR) in this box and whiskers?

• 2

• 4

• 5

• 6

Multiple Choice

What is the range in this box and whiskers?

• 2

• 3

• 5

• 7

Multiple Choice

What is mean?

• average

• most

• Greatest - least

• the middle number

Multiple Choice

What is range or spread?

• average

• most

• Greatest - least

• the middle number

Multiple Choice

What is mode?

• average

• most

• Greatest - least

• the middle number

Multiple Choice

What is median?

• average

• most

• Greatest - least

• the middle number