Nancy Joon, Inc has 1,500 employees. A simple random sample of 81 employees was selected, and the individuals in the sample were asked how much they contribute (monthly) to their retirement accounts. Sample mean, = $150, standard deviation, s = $45
a. Estimate the standard error of the mean.
b. Develop an approximate 95% confidence interval for the population mean.
a. 4.86 (rounded)
b. $140.28 to $159.72
You might also like to view...
The ending price of securities can be verified through reliable publications and websites such as the Wall Street Journal
a. True b. False Indicate whether the statement is true or false
Which of the following is true about absorption costing?
a. No fixed factory overhead is charged to production. b. It is also known as direct costing. c. The term used to designate the difference between sales and cost of goods sold is the "manufacturing margin.". d. Overapplied factory overhead is reflected in the income statement as a reduction cost of goods sold.
Define the concepts of reliability and validity.
What will be an ideal response?
Use the information below to answer the following question(s):Howard Co. uses the direct method to prepare its operating activities section of the statement of cash flows. Indicate how each event affects net income and the three types of activities on the statement of cash flows. In the net income column, use the letter "I" to indicate increase, the letter "D" to indicate decrease, and the letters "NA" to indicate no effect on net income. In the three cash flow columns, use the letter "I" to indicate cash inflow, the letter "D" to indicate cash outflow, and the letters "NA" to indicate no effect on cash flows.At the beginning of the current year, Howard Co. paid cash to purchase equipment costing $80,000. There was $10,000 of depreciation expense recognized during the accounting period.
(Show the combined effects of these two events.)
What will be an ideal response?