Answer:
11.67 = mean
Explanation:
Mean is basically the average of the given data set, to find the mean:
=> First add all the numbers in the data set given together.
7 + 7 + 15 + 17 + 4 + 20
= 70
=> Since there are 6 different numbers in the given data set, divide 70 by 6
70/6
= 11.67 rounded to the nearest hundredths
Hope this helps!