Stats Quiz Review 2.2

Find the median for the set of numbers:

23, 37, 11, 58, 13, 45

• 30

• 23

• 37

• 28

Find the median for the set of numbers:

85, 42, 64, 71, 39, 56, 26

• 71

• 42

• 56

• 60

What is the MEDIAN of this data?

• 65
• 40
• 915
• 13

Below is the data for the number of FaceTime Calls the girls in our class made / received:

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

What are the 1st and 3rd quartiles of the data?

• 2, 12

• 4.5, 8

• 3, 10

• 3.5, 9

Below is the data for the number of FaceTime Calls the girls in our class made / received:

2, 3, 3, 4, 5, 7, 8, 8, 8, 10, 10, 12

What is the interquartile range?

• 10

• 7

• 7.5

• 5.5

What term identifies a data point that is away from the cluster of the other points in the data set?

• Range

• Outlier

• Interquartile Range

• Quartile 1

• Median

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Which measure of central tendency would best represent this data?

• Mean

• Median

• Mode

• Range

Use the 1.5 IQR rule to determine if there are any outliers for the following numbers:
84, 88, 72, 74, 98, 16, 94 

• Yes, 16 is an outlier.
• Yes, 33 is an outlier.
• Yes, 98 is an outlier.
• There are no numbers less than 39 or greater than 124, therefore there are no outliers.