7 of 9 ID: MST.NDM.MPD.01.0050 [1 point] The Mean Corporation operates out of tw

Question

7 of 9 ID: MST.NDM.MPD.01.0050 [1 point] The Mean Corporation operates out of two major cities, City A and City B. It has a head office for each city and each office has thousands of employees. A computer competency exam is administered to all staff in each head office and the results are recorded. The CEO decides that he would like to compare the performance of the two offices. He labels the two groups of staff City A and City B and looks at their distribution of scores. City A City B The CEO is told that both City A and City B have the same mean score. However, CityAI consistent than City B because the standard deviation for City A is more than the standard deviation for City B. less

Explanation / Answer

City A is less consistent than city B because the standard deviation for city A is more/higher than the standard deviation for city B

This is understood because in graph A, the data is more spreaded out. In graph b, more number of values lie near the mean and is less spreaded out. So, standard deviation is less for B

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