An avionics company uses a new production method to manufacture aircraft altimeters. A simple random sample of 12 new altimeters results in various errors. The standard deviation of the errors is 47.5 ft. Use a 0.05 level of significance to test the claim that the new production method has errors with a standard deviation greater than 32.2 ft. State the initial and final conclusion.

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?