Data and Statistics Texas

What is the approximate difference in the interquartile ranges?

• 20

• 12

• 32

• 40

The table shows test scores for two students.

Which statement is true?

• The median of Richard’s scores was higher than the median of Jerry’s scores.

• The median of Richard’s scores was lower than the median of Jerry’s scores.

• The mean of Richard’s scores was higher than the mean of Jerry’s scores.

• The means of Richard’s scores and Jerry’s scores were the same.

An ice cream store recorded daily sales for chocolate and vanilla ice cream.

Based on the results, which ice cream flavor is preferred, and what is the mathematical reason for this conclusion?

• Chocolate, because it has the higher mean.

• Vanilla, because it has the higher median.

• Both are equally preferred, bexause the means are the same

• Noth are equally preferred, becasue the medians are the same

The dot plots below represent the amount of precipitation over seven months in San Marcos, Texas, and Ithaca, New York.

Which statement about the mean absolute deviation (MAD) is true?

• The MAD for the San Marcos data is about 2.5 times the MAD for the Ithaca data.

• The MAD for the Ithaca data is about 2.5 times the MAD for the San Marcos data.

• The MAD for the San Marcos data is the same as the MAD for the Ithaca data.

• The MAD cannot be determined from the data given.

What is the median score?

• 62

• 71

• 92

• 81

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

Which plot has a larger interquartile range?

• Top plot

• Bottom plot

Which box and whisker plot has the highest median?

• Top plot

• Bottom plot

Which box and whisker plot shows more "spread out" data?

• Top plot

• Bottom plot

Which city has a higher median?

• Millersburg

• Arcadia