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Math Sets ~ Statistics & Probability

Last updated about 1 month ago

11 questions

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Question 1

1.

The captain of a fishing team recorded the weight (rounded to the nearest pound) of each fish that the team caught. Then he made a histogram to display the recorded weight information.

Histogram is on your paper.

Which choice is a true statement?

Half of the fish had recorded weights of at least 16 pounds.

More than half of the fish had recorded weights between 10 and 11
pounds.

There was an 8-pound range in the recorded weights of the fish.

The average recorded weight of all the fish was less than 14 pounds.

Question 2

2.

A basketball team scored the following numbers of points in its first 6 games: 98, 98, 102, 96, 98, and 97. How many points will the team need to score in the seventh game in order to bring its average number of points per game to 100?

100

101

102

111

Question 3

3.

Alma measured the heights (in inches) of 10 students in her class. Themeasurements she recorded are listed below.
57, 66, 58, 59, 64, 58, 63, 64, 60, 62

Create a box plot for Alma’s data.

Question 4

4.

Four students in Mrs. Jackson’s class plotted their eight math test scores on line plots. Which student had the lowest median score for the eight tests?
*The line plots are on your paper.

A

B

C

D

Question 5

5.

Which choice is a data set that would have the box plot shown below?
There is no box plot. The answer is B

{2, 8, 10, 12, 14}

{2, 6, 8, 8, 9, 10, 10, 12, 14, 14, 16, 18}

{2, 6, 8, 8, 9, 10, 11, 12, 12, 14, 16, 18}

{2, 4, 6, 10, 12, 12, 14, 18}

Question 6

6.

The table on your paper shows the number of minutes Carol and Anna walked each day
for 5 days.
Which statement is true?

Carol’s mean for the number of minutes she walked is equal to her
median.

Carol’s mean for the number of minutes she walked is greater than
Anna’s mean.

Anna’s median for the number of minutes she walked is greater than
her mean.

Anna’s mean for the number of minutes she walked is equal to Carol’s
mean.

Question 7

7.

The box plot on your paper displays the number of points Ben scored in basketball games this season.

In 50% of the games, the number of points scored is greater than or equal to what score?

Question 8

8.

Mr. Roberts displayed the quiz grades for one of his classes on the dot plot on your paper.

What is the median of the quiz grades?

90

85

80

75

Question 9

9.

The data set used to construct the box plot on your paper consisted of the daily low temperature readings for a city over a period of ten days.

Which choice could be the data set that was used to construct the box plot?

{ 2, 5, 10, 11, 12, 15, 21, 30, 32, 44}

{ 2, 5, 9, 11, 12, 16, 21, 30, 32, 44}

{ 2, 5, 10, 11, 12, 15, 21, 32, 32, 46}

{ 2, 5, 10, 11, 12, 15, 21, 32, 32, 44}

Question 10

10.

A histogram of data is shown on your paper.

What column contains the median?

55-59

60-64

65-69

70-74

Question 11

11.

The table on your paper shows then umber of televisions a store sold over a 7-day period. For how many days were the number of televisions sold greater than the median for the 7-day period?

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