Answer Happy

Consider the following is data representing annual salaries (to the nearest thousand dollars) of randomly selected group of employees. 61 63 72 70 80 65 76 97 60 57 67 61 54 61 73 65 66 70 75 68 51 44 53 62 50 57 50 51 40 52 50 57 52 52 56 46 1) Construct an appropriate graph to describe the above data 2) Compute the mean, median, and the variance of the data. 3) Compute each quartile and interpret each value. 4) Construct a 99% confidence interval for the average salary of the population and interpret the value. 5) Does the data suggest that the average salary of the population is over 65K? Use alpha=0.05. Interpret your answer.