Suppose a chain restaurant has run a major advertising campaign in the hopes of increasing monthly sales. to investigate the effectiveness of this campaign, the restaraunt randomly selected six different locations and recorded the monthly sales before and after the advertising. the following data represents these sales figures in thousands of dollars. assume population 1 is defined as sales after the advertising campaign and population 2 is defined as sales before the advertising campaign. a. what is the mean of the matched-pair differences? b. what is the standard deviation of the matched-pair differences? c. what are the degrees of freedom for this hypothesis test? restaurant 1-after $123, before $107 2-after $122, before $110 3-after $145, before $143 4-after $156, before $168 5-after $160, before $145 6-after $134, before $125

Vulcan flyovers offers scenic overflights of mount st. helens, the volcano in washington state that explosively erupted in 1982. data concerning the company’s operations in july appear below: vulcan flyovers operating data for the month ended july 31 actual results flexible budget planning budget flights (q) 56 56 54 revenue ($350.00q) $ 16,500 $ 19,600 $ 18,900 expenses: wages and salaries ($3,300 + $91.00q) 8,354 8,396 8,214 fuel ($31.00q) 1,904 1,736 1,674 airport fees ($870 + $35.00q) 2,730 2,830 2,760 aircraft depreciation ($11.00q) 616 616 594 office expenses ($240 + $1.00q) 464 296 294 total expense 14,068 13,874 13,536 net operating income $ 2,432 $ 5,726 $ 5,364 the company measures its activity in terms of flights. customers can buy individual tickets for overflights or hire an entire plane for an overflight at a discount. required: 1. prepare a flexible budget performance report for july that includes revenue and spending variances and activity variances.

Adamson company manufactures four lines of garden tools. as a result of an activity analysis, the accounting department has identified eight activity cost pools. each of the product lines is produced in large batches, with the whole plant devoted to one product at a time. classify each of the following activities or costs as either unit-level, batch-level, product-level, or facility-level. activities (a) machining parts. (b) product design. (c) plant maintenance. (d) machine setup. (e) assembling parts. (f) purchasing raw materials. (g) property taxes. (h) painting.

One of the benefits of a well designed ergonomic work environment is low operating costs is true or false