Measures of Spread

15

The ages of candidates in an election are 23, 48, 49, 55, 57, 63, and 72. Find the interquartile range of the data.

9

What is the value of the quartile 3 of the number of snakes in the zoo?

5

Find the interquartile range of the data in the graph.

3.5

Find the range in the data set below.
8.9, 11.0, 7.5, 7.7, 9.5, 9.0, 7.6

7.6

Find the first quartile in the data set below.
8.9, 11.0, 7.5, 7.7, 9.5, 9.0, 7.6

8.9

Find the median in the data set below.
8.9, 11.0, 7.5, 7.7, 9.5, 9.0, 7.6

1.9

Find the interquartile range in the data set below.
8.9, 11.0, 7.5, 7.7, 9.5, 9.0, 7.6

3

Find the interquartile range of the ages of people attending a movie.

2

Find the interquartile range of the dot plot.

50

The following data is the average temperatures for the first half of the year in Antelope, MT:
21, 30, 42, 79, 70, 58
What is the median?

58

The following data is the average temperatures for the first half of the year in Antelope, MT:
21, 30, 42, 79, 70, 58
What is the range?

70

The following data is the average temperatures for the first half of the year in Antelope, MT:
21, 30, 42, 79, 70, 58
What is Quartile 3?

30

The following data is the average temperatures for the first half of the year in Antelope, MT:
21, 30, 42, 79, 70, 58
What is quartile 1?

40

The following data is the average temperatures for the first half of the year in Antelope, MT:
21, 30, 42, 79, 70, 58
What is the interquartile range?

34

Last week at the school book fair the students recorded the number of books that were sold for the first 6 days that the book fair was open:
66, 53, 28 ,32 ,41, 75,
What is the interquartile range?

47

Last week at the school book fair the students recorded the number of books that were sold for the first 6 days that the book fair was open:
66, 53, 28 ,32 ,41, 75,
What is the range?

32

Last week at the school book fair the students recorded the number of books that were sold for the first 6 days that the book fair was open:
66, 53, 28 ,32 ,41, 75,
What is quartile 1?

66

Last week at the school book fair the students recorded the number of books that were sold for the first 6 days that the book fair was open:
66, 53, 28 ,32 ,41, 75,
What is quartile 3?