College

Means and Mean Absolute Deviations of Individual Times of Members of 4x400 Meter Relay Track Teams

| | Team A | Team B |
|------------|--------|--------|
| Mean | 59.32 s| 59.1 s |
| Mean Absolute Deviation | 1.5 s | 2.4 s |

What is the ratio of the difference in the means of the two teams to the mean absolute deviation of Team B?

Answer :

9% percent of Team B’s mean absolute deviation is the difference in the mean of the individual times of members.

What is Mean?

The result of dividing the sum of a set of values by the total number of values in the set is mean.

The average distance between each observation and the mean is shown via a measure of variability known as the mean absolute deviation (MAD).

The middle value in a sorted, ascending or descending list of numbers is known as the median, and it has the potential to describe a data collection more accurately than the average does.

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