Question

Manuel Banales, Marketing Director of Plano Power Plants Inc.’s Electrical Division, is leading a study to assess the relative importance of product features. Two items on a survey questionnaire distributed to 100 of Plano’s customers asked them to rate the importance of “ease of maintenance” and “efficiency of operation” on a scale of 1 to 10 (with 1 meaning “not important” and 10 meaning “highly important”). His staff assembled the following statistics on these two items: Ease of Maintenance Efficiency of Operation Mean 7.5 6.0 Median 8.5 5.5 Mode 9.0 4.5 Standard Deviation 1.5 2.5 What can Manuel conclude from these statistics?

The Ease of Maintenance distribution is skewed to the right.

The Ease of Maintenance distribution is not skewed.

The Efficiency of Operation distribution is skewed to the left.

The Efficiency of Operation distribution is positively skewed.

Both are symmetrically distributed.

Answer 1

Answer:

manuel conclude from these statistics is:

The efficiency of operation distribution is positively skewed.

Option D is correct