Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?

On april 1, 2017, jiro nozomi created a new travel agency, adventure travel. the following transactions occurred during the company’s first month. april 1 nozomi invested $30,000 cash and computer equipment worth $20,000 in the company in exchange for common stock.2 the company rented furnished office space by paying $1,800 cash for the first month's (april) rent.3 the company purchased $1,000 of office supplies for cash.10 the company paid $2,400 cash for the premium on a 12-month insurance policy. coverage begins on april 11.14 the company paid $1,600 cash for two weeks' salaries earned by employees.24 the company collected $8,000 cash on commissions from airlines on tickets obtained for customers.28 the company paid $1,600 cash for two weeks' salaries earned by employees.29 the company paid $350 cash for minor repairs to the company's computer.30 the company paid $750 cash for this month's telephone bill.30 the company paid $1,500 cash in dividends. the company's chart of accounts follows: 101 cash 405 commissions earned106 accounts receivable 612 depreciation expense—computer equip.124 office supplies 622 salaries expense128 prepaid insurance 637 insurance expense167 computer equipment 640 rent expense168 accumulated depreciation—computer equip. 650 office supplies expense209 salaries payable 684 repairs expense307 common stock 688 telephone expense318 retained earnings 901 income summary319 dividends use the following information: two-thirds (or $133) of one month’s insurance coverage has expired.at the end of the month, $600 of office supplies are still available.this month’s depreciation on the computer equipment is $500.employees earned $420 of unpaid and unrecorded salaries as of month-end.the company earned $1,750 of commissions that are not yet billed at month-end. required: 1. & 2. prepare journal entries to record the transactions for april and post them to the ledger accounts in requirement 6b. the company records prepaid and unearned items in balance sheet accounts.3. using account balances from requirement 6b, prepare an unadjusted trial balance as of april 30.4. journalize and post the adjusting entries for the month and prepare the adjusted trial balance.5a. prepare the income statement for the month of april 30, 2017.5b. prepare the statement of retained earnings for the month of april 30, 2017.5c. prepare the balance sheet at april 30, 2017.6a. prepare journal entries to close the temporary accounts and then post to requirement 6b.6b. post the journal entries to the ledger.7. prepare a post-closing trial balance.

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

Companies hd and ld are both profitable, and they have the same total assets (ta), total invested capital, sales (s), return on assets (roa), and profit margin (pm). both firms finance using only debt and common equity. however, company hd has the higher total debt to total capital ratio. which of the following statements is correct? a) company hd has a higher assets turnover than company ld. b) company hd has a higher return on equity than company ld. c) none of the other statements are correct because the information provided on the question is not enough. d) company hd has lower total assets turnover than company ld. e) company hd has a lower operating income (ebit) than company ld