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Ch 9 Statistics - TEST - mod

Last updated over 4 years ago
20 questions
1

Find the median of the data set below.

3, 8, 10, 1, 25

1

Over 11 consecutive days, Jim did the following number of pushups:

7, 8, 10, 10, 12, 14, 15, 17, 17, 19, 33

Find the range of the data.

1

The cost of 10 different portable MP3 players is shown in the table. What is the mean cost?


1

Use the table of test grades to find the Maximum, Minimum, First Quartile, Third Quartile and Interquartile Range. Note: There are three values in the list of choices that are not used for these Measures of Spread.


Draggable itemCorresponding Item
Maximum
0
Third Quartile
90
Interquartile Range
63
Unused
85
Minimum
22
First Quartile
68
Unused
83
Unused
74
1

Which statement about the data represented by the percent bar graph is NOT true?

1

Use the dot plot to find the mode.

1

The graph shows the preferences of exercise classes. What is the relative frequency for yoga? Round your answer to the nearest tenth of a percent.


1

Which set of data has an outlier?

1

Which statement about the data presented by the box plot is NOT true?


1

The circle graph shows how Tremaine divided his time. Tremaine used the computer a total of 30 hours last week. How many more hours did Tremaine use the computer for social media than for games?


1

Use the box plot to determine which statement is NOT true?


1

The graph shows the favorite colors chosen by some middle school students.



Which statement is supported by the information in the graph?

1

A survey found that 5 out of 6 people in a community visit a dentist on a regular basis. If there are 4,320 people in the community, what is a reasonable prediction for the number of people who would visit a dentist on a regular basis?

1

A survey found that 6 out of 8 students own a pet. If there are 320 students is a school, what is a reasonable prediction for the number of students who own a pet?

1

Mrs. Smith, the school nurse, randomly selects seventh graders to participate in a district survey about the heights and weights of students. They survey results for the heights of seventh-grade boys and girls are shown in the box plots below.

Which statement is best supported by the information in the box plots?

1

A survey in one middle school showed that 3 out of 5 students enjoy biking on the weekends. Predict how many out of the 485 students in the school would say they enjoy biking on the weekends.

1

The bar graph shows the number of vacant rooms at a hotel over a five-day span. How many more rooms were vacant on Thursday and Friday than on Monday and Tuesday?


1

Which statement best describes the shape of the data distribution for the girls’ heights compared to the shape of the data distribution for the boys’ heights?

1

Which of the following graphs is symmetric?

1

To determine what apartment renters want, the manager randomly surveyed eight renters in each of the six buildings in the complex. Out of 48 renters, 64% said they would like more hallway lights. How many renters said they would like more hallway lights?