The values for three different sets of data are shown below.

Data

Data Set

Values

1

52, 55, 59, 53, 50

2

40, 49, 43, 42, 90, 38

3

24, 30, 26, 31, 40, 26

Without calculating any statistics, Jadyn knows that data set 1 would have the least mean absolute deviation among the three sets. Which statement explains how she knows?

Sets 2 and 3 have an even number of values.

Set 1 has the least number of values.

Sets 2 and 3 contain outliers.

Set 1 contains an outlier.