Statistics

The heights, in inches, of 10 high school varsity basketball players are 78, 79, 79, 72, 75, 71, 74, 74, 83, and 71. Find the interquartile range of this data set.

The values of 11 houses on Washington St. are shown in the table below. What is the mode?

• $100,000

• $175,000

• $200,000

• $700,000

Santina is considering a vacation and has obtained high-temperature data from the last two weeks for Miami. What is the population standard deviation?

• 8

• 14

• 7.23

• 7.50

The data set represents the scores on a mathematics quiz. What is the frequency for the interval 70-79?

58, 79, 81, 99, 68, 92, 76, 84, 53, 57, 81, 91, 77, 50, 65, 57, 51, 72, 84, 89

• 2

• 3

• 4

• 5

What is the range for the following data? 52, 32, 61, 82, 63

What was the median high temperature in Middletown during the 7-day period shown in the table below?

• 69

• 70

• 73

• 75

Ms. Mosher recorded the math test scores of six students in the table above. Determine the mean of the student scores, to the nearest tenth.

The ages of five children in a family are 3, 3, 5, 8, and 18. Which statement is true for this group of data?

• mode > mean

• mean > median

• median = mode

• median > mean

Jenna took a survey of her senior class to see whether they preferred pizza or burgers. The results are summarized in the table below. Approximately what percent of seniors prefer pizza?

• 25%

• 19%

• 56%

• 44%

A statistics class surveyed some students during one lunch period to obtain opinions about television programming preferences. What percent of students are females, to the nearest percent?

*Just type in the #, without the %*