Is the sample size n=12 enough for each incentive plan to be 95% confident of estimating the true average output to within 20% of the average time? The following descriptive statistics were derived from the data table. A В C Mean522.41667560.83333543.41667669.25 SD Choices: 158.84324183.72847 186.14191 102.62299 a. Only Incentive D has enough samples. b. A, B and C have enough, but D does not have enough. c. No they are not enough. d. Yes, they are enough for all plans.

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Is the sample size n=12 enough for each
incentive plan to be 95% confident of
estimating the true average output to within
20% of the average time? The following
descriptive statistics were derived from the
data table.
A
C
D
Mean522.41667 560.83333543.41667669.25
SD
Choices:
158.84324183.72847 186.14191 102.62299
a. Only Incentive D has enough samples.
b. A, B and C have enough, but D does not
have enough.
c. No they are not enough.
d. Yes, they are enough for all plans.
Transcribed Image Text:Is the sample size n=12 enough for each incentive plan to be 95% confident of estimating the true average output to within 20% of the average time? The following descriptive statistics were derived from the data table. A C D Mean522.41667 560.83333543.41667669.25 SD Choices: 158.84324183.72847 186.14191 102.62299 a. Only Incentive D has enough samples. b. A, B and C have enough, but D does not have enough. c. No they are not enough. d. Yes, they are enough for all plans.
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