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A company sells five different products: A, B, C, D and E. Over a month, the sales figures are as follows: Product A 15%, Product B (10%), Product C (20%), Product D (20%) and Product E (35%). A total of [n] products are sold.  If the company expects to sell an equal number of each product, calculate the expected number Product A.

In a study examining the relationship between the number of training hours and employee productivity (measured in units produced per hour), the regression equation is found to be yhat = 10+1.5x. The researchers wanted to predict employee productivity based on number of training hours.  Interpret the slope. 

A sample of seven states was selected. Information about the cost of living indexes for groceries and housing is listed. They want to predict the grocery index based on the housing index. Find the correlation coefficient. Round to two decimal places and include the negative sign if appropriate.   State Grocery Housing West Virginia  98.9 60.2 Oklahoma  94.6 68.6 Kansas  94.9 73.9 Alabama  96.5 68.5 Mississippi  95.4 74.3 Arkansas  94.6 74.4 Missouri  95.5 77 Iowa  96 74.8

I will not be able to see my grades in D2L.  I must ask my professor for my grades.  

for the pdf             find the mean E(x)             

Anthropometry is the study and measurement of:

What does the term “ergonomics” literally mean?

Human factors is primarily concerned with the study of:

Which of the following is NOT a benefit of automation in industrial settings?

What is the main emphasis of life-cycle engineering?