Question

question 1 of 10
a scientist recorded the number of geese found in a park on various days of the week. the data are shown below.
14, 12, 19, 20, 21, 13, 18
what is the range of these data?
a. 12
b. 21
c. 7
d. 9

Explanation:

Step1: Find the maximum value

The given data is 14, 12, 19, 20, 21, 13, 18. The maximum value is 21.

Step2: Find the minimum value

The minimum value in the data - set is 12.

Step3: Calculate the range

The formula for the range of a data - set is Range = Maximum value - Minimum value. So, Range = 21 - 12=9.

Answer:

D. 9