our boss agreed to your process improvement project and after several months, you think that waste has been reduced. You tell your boss that you will take a sample of the food waste generated over the next 10 weeks and analyze it to determine if your project was successful. You take samples over the next 10 weeks and come up with data below (Table #2). 1.) Construct a 95% Confidence Interval with a known population standard deviation of 26.29. Briefly explain to your boss the results of your C.I. Calculation. Your boss is still not completely convinced that the project was a success, so she asks you to: 2.) Go through the 5 step one-sample hypothesis testing procedure to determine if the sample mean is different than the pre-improvement project population mean of 497.21, using an alpha = .05 (this is a two tailed test). Explain the results to your boss. Sample Waste Pounds (Table #2) 469 480 485 487 468 467 463 462 472 480
Your boss agreed to your process improvement project and after several months, you think that waste has been reduced. You tell your boss that you will take a sample of the food waste generated over the next 10 weeks and analyze it to determine if your project was successful. You take samples over the next 10 weeks and come up with data below (Table #2).
1.) Construct a 95% Confidence Interval with a known population standard deviation of 26.29. Briefly explain to your boss the results of your C.I. Calculation.
Your boss is still not completely convinced that the project was a success, so she asks you to:
2.) Go through the 5 step one-sample hypothesis testing procedure to determine if the sample
|
Sample Waste Pounds (Table #2) |
|
469 |
|
480 |
|
485 |
|
487 |
|
468 |
|
467 |
|
463 |
|
462 |
|
472 |
|
480 |
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