Statistics Descriptive

What is the range?

• 8

• 7

• 6

• 5

The variance is...

• 2.33

• 2.40

• 2.31

• 1.53

Which measures of central tendency would be the highest?

• mean

• median

• mode

The interquartile range is...

• 6.5

• 9

• 2.5

• 3

The variance is...

• 1.56

• 2.42

• 2.41

• 1.55

The variability of a statistic is described by

• the spread of its sampling distribution. 

• the amount of bias present.

• the different values it will takefrom each of the samples.

• the stability of the population it describes. 

What is the highest quiz grade in the stem and leaf plot?

• 9

• 26

• 92

• 96

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 21

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

What is the Q3 of the data?

• 37

• 40

• 42

• 46

What is the minimum in this data set?

• 0

• 4

• 9

• 40