Probability and Statistics

Math 7

Look at the table. Which is equivalent to the total number of sandwich combinations of 1 type of bread, 1 type of meat, and 1 type of cheese?

25% 25%25%25%

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A. 3 + 4 + 3B. 32 + 4C. (3 × 4) + (3 × 4)D. 3 × 4 × 3

The faces of a fair 6-sided cube are numbered 1 through 6. What is the probability that a 2,

3, or 5 will land face-up on the next roll?25% 25%25%25%

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A. A

B. B

C. C

D. D

18, 24, 18, 23, 19, 24, 23, 18Which measure has the greatest value for the data listed?

Mode

Mean

Range

Median

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A. ModeB. MeanC. RangeD. Median

What is the range of the data?

25% 25%25%25%

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A. 33B. 44C. 58D. 92

Part of the box-and-whisker plot Jim was creating is shown below. What could be

missing from Jim’s plot?

Upper extr

eme

Lower e

xtreme

Upper quarti

le

Median

25% 25%25%25%

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A. Upper extremeB. Lower extremeC. Upper quartileD. Median

Mike has attempted 84 free throws. Of those attempted, 63 have gone in the basket. Based on this rate, what is the probability that Mike’s next

free throw attempt will go in the basket?

A B C D

25% 25%25%25%

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A. A

B. B

C. C

D. D

Which is closest to the mean (average) high temperature?

25% 25%25%25%

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A. 56°FB. 60°FC. 61°FD. 62°F

Jesse has 2 pairs of jeans, 4 sweaters, and 3 pairs of shoes. How many different

combinations of a pair of jeans, a sweater, and a pair of shoes does she have?

8 9 12 24

25% 25%25%25%

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A. 8B. 9C. 12D. 24

Which of the following is not a necessary calculation for constructing a box and- whisker plot?

Lower e

xtreme

Median

Mean

Upper quarti

le

25% 25%25%25%

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A. Lower extremeB. MedianC. MeanD. Upper quartile

Freddie has 3 colors of construction paper. He will cut 5 different shapes from each color of

construction paper to make a collage. Which is equivalent to the total number of shapes Freddie

will cut?

5 · 3 5 + 3

5 · 5 · 5

3 · 3 · 3

· 3 · 3

25% 25%25%25%

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A. 5 · 3B. 5 + 3C. 5 · 5 · 5D. 3 · 3 · 3 · 3 · 3

Beth will reach into the bag and randomly choose 1 balloon. What is the probability

she will choose a green balloon?25% 25%25%25%

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A. AB. BC. CD. D

Peter picks one bill at a time from a bag and replaces it. He repeats this process 100 times and records the

results in the table. Based on the table, which bill has an experimental probability of 7/25 for being

drawn from the bag next?

$1 $5 $10 $20

25% 25%25%25%

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A. $1B. $5C. $10D. $20

Look at the table. What is the median number of kites sold per year?

680668

540240

25% 25%25%25%

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A. 680B. 668C. 540D. 240

At Van’s Video Store, 30% of the children’s movies are animated. If a customer randomly chooses one children’s movie, what is the probability

that the movie he chooses will be animated?

3/10

1/3 2/3 7/1

0

25% 25%25%25%

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A. 3/10B. 1/3C. 2/3D. 7/10

Tim wants his mean (average) quiz score in history class to be 90. His first 3 quiz scores were 86, 92, and 94. What score should he make on the 4th quiz

in order to have a mean (average) quiz score of exactly 90 ?

85 88 93 95

25% 25%25%25%

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A. 85B. 88C. 93D. 95

Three families are playing a board game and need to form teams of 3 players with 1 player from each family. How many different teams containing 1 member from each family could

be formed?

25% 25%25%25%

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A. 3B. 9C. 18D. 27

A school club listed the attendance at its weekly meetings as follows.12, 9, 20, 15, 13, 8, 16, 12, 18, 10, 26, 14, 24, 17, 18

Which statement is best supported by the data?

There is no m

o...

There is only

...

There are only...

There are th

re...

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A. There is no mode.B. There is only one mode.C. There are only two modes.D. There are three modes.

What is the lower quartile in the box-and-whisker plot?

10 35 60 65

25% 25%25%25%

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A. 10B. 35C. 60D. 65

The rosebushes in Pattie’s Plant Store have the following colors:

• 20% yellow blooms.• 50% red blooms.• 30% pink blooms.

If George selected a rosebush at random today, what is the probability that it will produce yellow blooms?

1/5 3/1

0 1/2 4/5

25% 25%25%25%

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A. 1/5B. 3/10C. 1/2D. 4/5

The Augusta City Chamber of Commerce computed the average dinner price for two at several area restaurants. What is the range of the prices displayed in the box-and-whisker

plot?

25% 25%25%25%

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A. 20B. 25C. 50D. 65

Which scatterplot best shows there is no significant relationship between the heights of a group of people and the total amount of money they spend on food each week?

A B C D

25% 25%25%25%

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A. AB. BC. CD. D

A. B.

C. D.

Jackie is in a fashion show at school. For her first outfit she may choose from 3 different

colored shirts, 2 pairs of pants, and 3 pairs of shoes. From how many different possible

outfits of 1 shirt, 1 pair of pants, and 1 pair of shoes can Jackie choose?

3 8 11 18

25% 25%25%25%

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A. 3B. 8C. 11D. 18