The Best Topic

Difficulty: Easy · Topics: Probability, Statistics, Standard Deviation

The table shows statistics from a test given to a group of employees.

Topic Questions Mean Median Mode Std. dev. --- --- --- --- --- --- People skills 40 20 19 18 10 Arithmetic 30 15 10 12 20 General knowledge 20 8 6 4 9 Reasoning 20 6 5 5 4 Reading 50 40 45 44 6

In which topic were the employees most successful?