We draw a simple random sample of 30 retail businesses in a population of 1250

retail businesses.We retain the following information on each of them:

Number of employees;

Payroll (the sum of salaries paid to employees).

Use the fact that the total number of employees in the population is 6,277 to estimate by the

quotient is the average retail payroll of the population.

Number of employees Payroll (in thousands of $) Sum 1531 3, 342 Corrected standard deviation 1.99335 49.6553 Covarianae 98.16%