Question 634572: 9. The amount of liquid a paper towel can absorb will be use to marked the paper towel. Suppose a sample of 15 new towels average 12.5 grams with standard deviation of 1.15 grams. the previous version of this paper towel absorbed an average of 12 grams. Select the appropriate null and alternative hypothesis to see if new paper towel absorbs more, on average, than the previous one.
Question 9 options:
Ho: =12 and Ha: 12
Ho: 12 and Ha: > 12
Ho: 12 and Ha: < 12
Ho: 12 and Ha: > 12
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The amount of liquid a paper towel can absorb will be use to marked the paper towel. Suppose a sample of 15 new towels average 12.5 grams with standard deviation of 1.15 grams. the previous version of this paper towel absorbed an average of 12 grams. Select the appropriate null and alternative hypothesis to see if new paper towel absorbs more, on average, than the previous one.
Question 9 options:
Ho: u <= 12
Ha: u > 12
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Cheers,
Stan H.
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