A sample of 75 information system managers had an average hourly income of $40.75 with a standard deviation of $7.00 . The value of the margin of error at 95% confidence is
a. 80.83
b. 7
c. 0.8083
d. 1.611
D
You might also like to view...
Alex has set a goal for Haley to sell 25 gym memberships this month. Alex realizes that Haley may feel apprehensive about trying to sell such a large amount of memberships in one month, but she believes the challenge will motivate her into achieving the goal. This scenario reflects which characteristic of goal setting theory?
a. Specific goals b. Difficult goals c. Goal acceptance and commitment d. Feedback
Which of the following would cause net income on the accrual basis to be different from (either higher or lower than) "cash provided by operating activities" on the statement of cash flows?
A. Paid advertising expense B. Purchased supplies for cash C. Purchased land for cash D. Paid dividends to stockholder
A preferred stock can be exchanged for a certain number of shares of common stock at the _____.?
A. par value? B. ?conversion price C. ?discount rate D. ?capital gain rate E. ?premium price
Which chart is used to track central tendency of sample means?
a. R b. x-bar c. p d. c