What hypothesis test is appropriate for the study? 2. What is the value of the df? 3. What is the critical value

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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1. What hypothesis test is appropriate for the study? 2. What is the value of the df? 3. What is the critical value?
A milk processing company test implemented a plant-wide energy conservation program
with a goal of reducing the mean daily consumption rate of at least 1,000 kWh from its
normal operating plants. The conservation program was implemented in Plant B. The
following data was collected on weekdays where consumption level is at its peak. Were
the conservation efforts effective in achieving its goal? Compare the results with Plant A's
data where the program is not implemented using a = 0.05. Assume that the population
variances are not equal.
Plant A (kWh) Plant B (kWh)
3,952.80
4,036.00
3,276.00
4,036.00
3,636.00
4,036.00
3,636.00
3,264.00
3,636.00
864.00
3,636.00
4,068.00
4,068.00
4,362.00
4,362.00
4,362.00
4,362.00
3,882.00
3,808.80
3,808.80
1,368.00
2,196.00
4,392.00
5,220.00
3,600.00
3,960.00
4,428.00
756.00
612.00
684.00
Transcribed Image Text:A milk processing company test implemented a plant-wide energy conservation program with a goal of reducing the mean daily consumption rate of at least 1,000 kWh from its normal operating plants. The conservation program was implemented in Plant B. The following data was collected on weekdays where consumption level is at its peak. Were the conservation efforts effective in achieving its goal? Compare the results with Plant A's data where the program is not implemented using a = 0.05. Assume that the population variances are not equal. Plant A (kWh) Plant B (kWh) 3,952.80 4,036.00 3,276.00 4,036.00 3,636.00 4,036.00 3,636.00 3,264.00 3,636.00 864.00 3,636.00 4,068.00 4,068.00 4,362.00 4,362.00 4,362.00 4,362.00 3,882.00 3,808.80 3,808.80 1,368.00 2,196.00 4,392.00 5,220.00 3,600.00 3,960.00 4,428.00 756.00 612.00 684.00
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