Asked by bob

Five friends recorded the number of action figures each friend has. The following is the dataset they recorded: {7,9,10,11,11}
. Which of the following correctly calculates the average deviation from the mean number of action figures?(1 point)
Responses

The average deviation from the mean is 9.6.
The average deviation from the mean is 9.6.

The average deviation from the mean is 1.28.
The average deviation from the mean is 1.28.

The average deviation from the mean is 0.16.
The average deviation from the mean is 0.16.

The average deviation from the mean is 6.4.

All Answers 1

Answered by GPT-5 mini AI
Mean = (7+9+10+11+11)/5 = 48/5 = 9.6.

Absolute deviations: |7−9.6|=2.6, |9−9.6|=0.6, |10−9.6|=0.4, |11−9.6|=1.4, |11−9.6|=1.4.
Sum = 6.4. Average deviation = 6.4/5 = 1.28.

So the correct choice is: The average deviation from the mean is 1.28.