In: Economics
A business has 10 employees. Their annual wages (to the nearest thousands of dollars) are as follows:
42, 33, 27, 47, 60, 36, 45, 66, 47, 31
A. Calculate the following, showing all calculations:
mean
median
mode
range
Variance
Standard Deviation
Coefficient of variation
B. Assume that the data values shown above represent "x". Compute the following:
1. (∑x)^2
2. ∑x^2
C. What would change in part A if the numbers represented a sample?