Involves the investigation of the effects of one treatment variable on an interval-scaled dependent variable and determines whether statistically significant differences in means occur between two or more groups.

Transactions that affect earnings do not necessarily affect cash. identify the effect, if any, that each of the following transactions would have upon cash and net income. the first transaction has been completed as an example. (if an amount reduces the account balance then enter with negative sign preceding the number e. g. -15,000 or parentheses e. g. (15, cash net income (a) purchased $120 of supplies for cash. –$120 $0 (b) recorded an adjustment to record use of $35 of the above supplies. (c) made sales of $1,370, all on account. (d) received $700 from customers in payment of their accounts. (e) purchased equipment for cash, $2,450. (f) recorded depreciation of building for period used, $740. click if you would like to show work for this question: open show work

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis. b)reject the null hypothesis and conclude the mean is higher than $6,000 per day. c)reject the null hypothesis and conclude the mean is lower than $6,000 per day. d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day. expert answer

Amanufacturing firm is considering overhauling the existing compensation strategy. currently every front line employee who works on the assembly line earns the same hourly wage. ideally, management would like to institute a new pay system that involves pay-for-performance. which of the following recommendations is both consistent with scientific management's general emphases and generally good advice for management of this firma. the firm should adopt a differential pay system with one pay level for average performance, and a higher level for good performance. b. the firm should adopt a differential pay system, but the firm should modify it from its original design and provide many different levels of pay associated with different performance levels. c. the firm should understand worker psychology and to focus on pay as the key motivator. d. all of the abovee. none of the above