Mathew R. is conducting a study on the dollar value of orders placed with various suppliers. A sample of 10 orders showed amounts in thousands of dollars iof 43.6, 61.3, 54, 70.7, 46, 56.3, 58.8, 73.7, 47.4 and 45.6. Larry wishes to develop a 99% confidence interval on the average dollar value of orders.
State the value for the point estimate (1)
Develop the confidence interval (2)
Find the appropriate standard error (3)