With the aid of an example, explain the difference between an independent and dependent sample (4 marks)
b) What is the shape of the sampling distribution of pˆ1 - pˆ2 for two large
samples? (1 mark)
c) When is the pooled standard deviation used? (1 mark)
d) When calculating the Pooled Standard Deviation for two samples, what
does the values of n1 – 1; n2 – 1; and n1 + n2 – 2; tells us? (3 marks)
e) Explain how you will go about constructing a confidence interval for
μ1 - μ2, where σ1 and σ2 are known, and the sample is large. (4 marks)
f) There are three situations in which the H1 can be written when testing a
hypothesis involving two populations. List all three ways using the
symbol μ1 and μ2 (3 marks)
g) Draw a two-tailed normal distribution curve with a significance level of
0.05, identify the critical values on the distribution, the rejection and
non-rejection regions, and alpha on the graph. (4 marks)

During january 2018, the following transactions occur: january 1 purchase equipment for $20,600. the company estimates a residual value of $2,600 and a five-year service life. january 4 pay cash on accounts payable, $10,600. january 8 purchase additional inventory on account, $93,900. january 15 receive cash on accounts receivable, $23,100 january 19 pay cash for salaries, $30,900. january 28 pay cash for january utilities, $17,600. january 30 firework sales for january total $231,000. all of these sales are on account. the cost of the units sold is $120,500. the following information is available on january 31, 2018. depreciation on the equipment for the month of january is calculated using the straight-line method. the company estimates future uncollectible accounts. at the end of january, considering the total ending balance of the accounts receivable account as shown on the general ledger tab, $4,100 is now past due (older than 90 days), while the remainder of the balance is current (less than 90 days old). the company estimates that 50% of the past due balance will be uncollectible and only 3% of the current balance will become uncollectible. record the estimated bad debt expense. accrued interest revenue on notes receivable for january. unpaid salaries at the end of january are $33,700. accrued income taxes at the end of january are $10,100

The relationship requirement for qualifying relative requires the potential qualifying relative to have a family relationship with the taxpayer. t or fwhich of the following is not a from agi deduction? a.standard deductionb.itemized deductionc.personal exemptiond.none of these. all of these are from agi deductions

Abank has $132,000 in excess reserves and the required reserve ratio is 11 percent. this means the bank could have in checkable deposit liabilities and in (total) reserves.