Discovering Math: Intermediate: Statistics and Data Analysis

Find the median of this set of data.

14, 26, 15, 30, 12, 25 , 20

• 20

• 30

• 15

• 12

What is the IQR of this data set?

• 82

• 13

• 86.2

• 8.5

What is the mean of this data set?

7, 4, 8, 10, 3, 10

• 10

• 7

• 42

• 6

The number of sunny days in various cities last month was

15, 27, 10, 19, 24, 21, 28, 16

Find the mean absolute deviation.

• 2

• 4

• 3

• 5

What are the measures of center?

• mean

• mode

• median

• all choices

What 5 pieces of data are required to make a box and whisker plot?

• mean, median, mode, range and IQR

• Quartiles 1, 2, 3, and the two extremes

• Range, IQR, outliers, mean, average

• You only need 3 pieces of data to create a box and whisker plot.

What is the median of this data set?

• 75

• 82

• 86

• 84

What type of graph is shown?

• Line plot

• steam and leaf plot

• histogram

• box plot

What is the mode(s) of the data set?

12, 13, 11, 10, 12, 13, 12, 10

• 12 , 13, and 10

• 10

• 13 and 10

• 12

Which question is a statistical question ?

• How many texts are sent a day by the students in your class?

• Do you send text messages every day?

• On average do you send more text messages on a weekday or weekend?

• None of the above