AACPS STAT ANALYSIS QUARTERLY #1 REVIEW

Which of the following is an example of categorical data?

• Ages of volunteers at a community service center

• Zip code of shoppers at an appliance store

• SAT scores of students who took the SAT in March

• square footage of high school gymnasiums in Nebraska

The median is a better description of central tendency than the mean when the distribution is

• Symmetrical

• Skewed

• Normal

• Bimodal

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What percentage of the scores is contained in the box in a boxplot?

• 34%

• 50%

• 68%

• 100%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the mode in the following distribution? 25, 17, 23, 23, 24, 25, 23

• 25

• 23

• 17

• 24

What is the mean of the data set above if 9 l 0 = 90%?

• 90

• 84

• 80

• 82

Which of the following is an incorrect assumption about the box and whisker plots graphed above? Select all that apply.

• The median of 1st period is equal to the first quartile of 2nd period

• The spread of the data is larger in 1st period than in second period

• 75% of the data for 2nd period lies at or above the mean of first period

• 2nd period has a smaller number of data points than 1st period.

• 1st period has a larger range of scores and is less consistent than 2nd period.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following is not quantitative? Select all that apply.

• Shoe size

• Zip-code

• Number of AP classes on your schedule

• Your phone number

• Student Identification number

Which of the following graphs displays quantitative data? Select all that apply.

• Circle graph

• Histogram

• Box and whisker plot

• Bar graph

• Stem and leaf plot

Rounded to the nearest whole percent, what proportions of brunettes are female?

• 32%

• 57%

• 56%

• 61%

What interval contains the median of the histogram?

• 52-55

• 56-59

• 60-63

• There is not enough information to answer this question