The following data represent the amount of soft-drink filled in a sample of 50 consecutive 2-liter bottles. The results, listed horizontally in the order of being filled, were: 2.1092.0862.0662.0752.0652.0572.0522.0442.0362.038 2.0312.0292.0252.0292.0232.0202.0152.0142.0132.014 2.0122.0122.0122.0102.0052.0031.9991.9961.9971.992 1.9941.9861.9841.9811.9731.9751.9711.9691.9661.967 1.9631.9571.9511.9511.9471.9411.9411.9381.9081.894 a. At the 0.05 level of significance, is there evidence that the mean amount of soft drink filled is different from 2.0 liters? b. Determine the p-value in (a) and interpret its meaning. c. Evaluate the population distribution assumption you made in (a) graphically. Are the results of (a) valid? Why?
The following data represent the amount of soft-drink filled in a sample of 50 consecutive
2-liter bottles. The results, listed horizontally in the order of being filled, were:
2.1092.0862.0662.0752.0652.0572.0522.0442.0362.038
2.0312.0292.0252.0292.0232.0202.0152.0142.0132.014
2.0122.0122.0122.0102.0052.0031.9991.9961.9971.992
1.9941.9861.9841.9811.9731.9751.9711.9691.9661.967
1.9631.9571.9511.9511.9471.9411.9411.9381.9081.894
a. At the 0.05 level of significance, is there evidence that the mean amount of soft drink filled is different from 2.0 liters?
b. Determine the p-value in (a) and interpret its meaning.
c. Evaluate the population distribution assumption you made in (a) graphically. Are the results of
(a) valid? Why?
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