A simple random sample of 144 observations was taken from a large population. The sample mean and the standard deviation were determined to be 1234 and 120 respectively. The standard error of the mean is

If a condominium owner lives in his condominium and pays all of the following, which of the following would be deductible for federal income tax purposes?

A: The cost of repairing the condominium unit; B: Any assessments that he pays for the upkeep of recreational facilities; C: Any interest that he pays on a mortgage for his share of the common areas; D: All of the above.

Videobusters, Inc. offered books of video rental coupons to its patrons at $40 per book. Each book contained a certain number of coupons for video rentals

During the current period 500 books were sold for $20,000, and this amount was credited to Unearned Rental Revenue. At the end of the period, it was determined that $15,000 worth of coupons had been used by customers to rent videos. The appropriate adjusting entry at the end of the period would be: A. Debit Rental Revenue $5,000 and credit Unearned Rental Revenue $5,000. B. Debit Rental Revenue $15,000 and credit Unearned Rental Revenue $15,000. C. Debit Unearned Rental Revenue $5,000 and credit Rental Revenue $5,000. D. Debit Unearned Rental Revenue $15,000 and credit Rental Revenue $15,000.