Question: Below is the table is the data from Set 1 of training 24 airport security guards. In this study, participants were asked to identify security

  1. Below is the table is the data from Set 1 of training 24 airport security guards. In this study, participants were asked to identify security risks. The researcher recorded how many they identified. Assume this data reflects a sample. Calculate this set of scores' mean, variance, and standard deviation. Explain the difference between the standard deviation of these scores (a sample) and the standard deviation of a population.

Risks Identified
9 13 12 10 4 15 15 14
12 29 5 8 8 14 12 13
10 10 3 7 16 14 13 10

Set 1:

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