Fina Unit 4 Review

Mr. Moore collected data from his 7th grade class on how many minutes they studied for the test. The dot plot shows the number of minutes each student studied. Which statement about the distribution of the data is true?

• The distribution is symmetrical.

• The distribution has a range of 25.

• The distribution appears to have an outlier.

• The distribution has a cluster from 25 to 35 minutes.

A teacher records the test scores for the students in her class. The results are shown in the box plot below. Based on these data, what is the interquartile range?

• 3

• 8

• 11

• 21

Maria's tests score are below.

76, 82, 65, 82, 93, 63, 45, 82, 90, 74

What is the mode and how does it compare to the median?

• The mode is 79 and it is lower than the median.

• The mode is 79 and it is higher than the median.

• The mode is 82 and it is lower than the median.

• The mode is 82 and it is higher than the median.

Which statement about the relationship between the scores of the two classes is true?

• The median score for Class A is greater than the median score for Class B.

• The range of the scores for Class A is less than the range of the scores for Class B.

• The interquartile range for Class B is greater than the interquartile range for Class A.

• The second quartile value for Class B is less than the second quartile value for Class A.

How many players are represented by the data on the line plot?

• 3

• 7

• 27

• 85

A bookstore offered mystery bags each containing 12 books. The quantity of each type of book was the same in each mystery bag. A shopper bought 3 mystery bags and found that 6 books were spy novels. Based on this information, which prediction can the shopper make about buying mystery bags in the future?

• There will be 4 more spy novels in 8 bags than in 6 bags.

• There will be 2 more spy novels in 6 bags than in 4 bags.

• There will be 1 more spy novel in 9 bags than in 8 bags.

• There will be 6 more spy novels in 10 bags than in 8 bags.

The table shows the number of bags of different flavors of potato chips on a store shelf. A customer will randomly select one bag of potato chips from the shelf. Which statement about the flavor of the potato chips chosen is best supported by the information in the table?

• The flavor is least likely to be plain.

• The flavor is twice as likely to be jalapeño as ranch.

• The flavor is equally likely to be plain, jalapeño, ranch, or cheese.

• The flavor is more than twice as likely to be cheese as it is to be ranch.

A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card is a heart?

• 1/2

• 1/4

• 1/3

• 1/13

A standard six-sided die is rolled. What is the probability of rolling an even number?

• 1/2

• 1/3

• 1/6

• 2/3

A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles. If one marble is picked at random, what is the probability it is not red?

• 1/2

• 2/5

• 7/10

• 3/10