The dependent t-test for paired samples

Reference no: EM1313613

Ace Jack had no idea whether the $100,000 he pays for training for his used car salespeople works. Even Dave, the leading sales person, thought it worked, but couldn't really tell. So, they hired your local help stat star and asked whether training made a difference. Here are the data-you tell Jack whether it worked.

Month	Before Training	After Training
Dec	$58,676	$87,890
Jan	$46,567	$87,876
Feb	$87,656	$56,768
Mar	$65,431	$98,980
April	$56,543	$98,784
May	$45,456	$65,414
June	$67,656	$99,878
July	$78,887	$67,578
Aug	$65,454	$76,599
Sep	$56,554	$88,767
Oct	$58,876	$78,778
Nov	$54,433	$98,898

Reference no: EM1313613

Questions Cloud

Effect of errors in journalizing and posting : Effect of errors in journalizing and posting on trial balance and bookkeeper for Shirley Temple's dance studio made the following errors in journalizing and posting

Market invents a new method of production : A firm in a perfectly competitive market invents a new method of production which lowers its marginal costs. Illustrate what happens to its output.

The spaceship that travels to mars and back : A golfer takes two putts to get his ball into the hole once he is on green. The first putt displaces the ball into the ball 6.7 m east, and the second 2.16 m south. What displacement would have been needed to get the ball into the hole on first putt.

Make a tabular analysis of the transactions : Make a tabular analysis of the transactions using these column headings: Cash, Accounts Receivable, Supplies, Office Equipment, Accounts Payable, Common Stock, and Retained Earnings. Include margin explanations for any changes in Retained Earnings..

The dependent t-test for paired samples : Ace Jack had no idea whether the $100,000 he pays for training for his used car salespeople works.

Prepare the adjusting entries at march 31 : Prepare the adjusting entries at March 31, assuming that adjusting entries are made quarterly and Additional accounts are: Depreciation Expense; Insurance expense; Interest Payable; and Supplies expense.

How each of the subsequent events affects the equilibrium : Explain how each of the subsequent events affects the equilibrium price also quantity of pizza- the price of mozzarella cheese rises.

Find out the effective spring constant of the system : A car is driven 125.0 km west and then 65.0 km southwest. What is the displacement of the car from the point of origin (magnitude and direction).

Evaluating proportion of costs using empirical rule : Use empirical Rule to evaluate proportion of costs within 2 standards deviations of mean. Write down these limits.

User Account

All Pages