Education levels of girls and boys a development economist is interested in whether average years of schooling of girls and boys are the same in a certain developing country. a random sample of 250 girls yields a mean of 5.1 years, and a standard deviation of 1.2 years. an independent random sample of 280 boys yields a mean of 6.3 years, and a standard deviation of 1.7 years. test the null hypothesis that mean years of schooling is the same in the populations of girls (x population) and boys (y population), against the alternative hypothesis that the population means are different. use a 5% level of significance. there are 8 multiple choice questions for this problem. 8. what are the correct null and alternative hypotheses?

Carolyn has a 50 percent interest in a general partnership that has a $14,000 loss for the year. she materially participates in the partnership. her basis in the partnership is $10,000. she also has salary from other employment of $46,000. if she is single, has no dependents, and claims the standard deduction, what is her taxable income and her tax liability in 2017

Xie company identified the following activities, costs, and activity drivers for 2017. the company manufactures two types of go-karts: deluxe and basic. activity expected costs expected activity handling materials $ 625,000 100,000 parts inspecting product 900,000 1,500 batches processing purchase orders 105,000 700 orders paying suppliers 175,000 500 invoices insuring the factory 300,000 40,000 square feet designing packaging 75,000 2 models required: 1. compute a single plantwide overhead rate, assuming that the company assigns overhead based on 125,000 budgeted direct labor hours. 2. in january 2017, the deluxe model required 2,500 direct labor hours and the basic model required 6,000 direct labor hours. assign overhead costs to each model using the single plantwide overhead rate.

Selected t-account balances for bloomfield company are shown below as of january 31, which reflect its accounting adjustments. the firm uses a calendar-year accounting period, but prepares monthly accounting adjustments. suppliesjan. 31 bal. 1,800 1,800 jan. 31 bal. supplies expensejan. 31 bal. 1,920 1,148 jan. 31 bal. prepaid insurancejan. 31 bal. 1,148 1,148 jan. 31 bal. insurance expensejan. 31 bal. 164 164 jan. 31 bal. wages payablejan. 31 bal. 1,400 1,400 jan. 31 bal. wages expensejan. 31 bal. 6,400 6,400 jan. 31 bal. truckjan. 31 bal. 17,376 17,376 jan. 31 bal. accumulated depreciation -truckjan. 31 bal. 5,068 5,068 jan. 31 bal. a. if the amount in supplies expense represents the january 31 adjustment for the supplies used in january, and $1,240 worth of supplies were purchased during january, what was the january 1 beginning balance of supplies? $answerb. the amount in the insurance expense account represents the adjustment made at january 31 for january insurance expense. if the original insurance premium was for one year, what was the amount of the premium, and on what date did the insurance policy start? amount of the premium $answerthe policy began on answerjune 1july 1august 1september 1october 1november 1 of the previous year. c. if we assume that no beginning balance existed in either in either wage payable or wage expense on january 1, how much cash was paid as wages during january? $answerd. if the truck has a useful life of four years (or 48 months), what is the monthly amount of depreciation expense, and how many months has bloomfield owned the truck? answermonths