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The following information relates to the direct labor at a m…

The following information relates to the direct labor at a manufacturing company for March:ActualStandardLabor cost per hour$18.00$17.50Labor hours per unit produced1.51.4During the month, the company produced 2,100 units. What is the labor efficiency variance for the month?

A shipping container refurbishment company measures its outp…

A shipping container refurbishment company measures its output by the number of containers refurbished. The company has provided the following fixed and variable cost estimates that it uses for budgeting purposes. Fixed Element per MonthVariable Element per Container RefurbishedRevenue $4,700Employee salaries and wages$44,200$ 1,300Refurbishing materials $ 700Other expenses$30,200 When the company prepared its planning budget at the beginning of April, it assumed that 32 containers would have been refurbished. However, 34 containers were actually refurbished during the month..The “Refurbishing materials” in the flexible budget for the month would have been closest to:

The U.S. Census Bureau publishes information on the ages of…

The U.S. Census Bureau publishes information on the ages of married people in Current Population Reports. Suppose that we want to decide whether, in the United States, the mean age of married men differs from the mean age of married women. 10 married couples were selected at random and the data on ages, in years, are as follows:  Couple Husband Wife 1 59 53 2 21 22 3 33 36 4 78 74 5 70 64 6 33 35 7 68 67 8 32 28 9 54 41 10 52 44 a. Is there enough evidence to infer at the 5% significance level that the mean age of married men differs from the mean age of married women? Conduct a hypothesis test to test the hypothesis. (7 pts) b. Obtain a 95% confidence interval for the difference between mean ages of married men and married women. (3pts)