Suppose that the average score in a class before the final exam was 80%. The average score on the final exam was 85%. How does the marginal score (final exam average) affect overall grades? a) The marginal score lies below the average and overall grades fall. b) The marginal score lies above the average and overall grades rise. c) The marginal score lies below the average and overall grades rise. d) The marginal score lies above the average and overall grades fall.

Tandard product costs deerfield company manufactures product m in its factory. production of m requires 2 pounds of material p, costing $4 per pound and 0.5 hour of direct labor costing, $10 per hour. the variable overhead rate is $8 per direct labor hour, and the fixed overhead rate is $12 per direct labor hour. what is the standard product cost for product m? direct material answer direct labor answer variable overhead answer fixed overhead answer standard product cost per unit answer

Mcdonald's fast-food restaurants have a well-designed training program for all new employees. each new employee is supposed to learn how to perform standardized tasks required to maintain mcdonald's service quality. due to labor shortages in some areas, new employees begin work as soon as they are hired and do not receive any off-the-job training. this nonconformity to standards creates

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