The sample mean for these data is = 3.74 ounces. The dotplot below shows the distribution of the sample mean weight of a donut for 500 random samples of size 10 taken
with replacement from the original sample.
tr...
25
35
Simulated sample mean of weight of donuts
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Distribution of Simulated Mean
# samples mean
SD
500 3.763 0.228
(a) Use the results of the simulation to approximate the margin of error for the estimate of
the mean weight of the donuts (ounces).
(c) Interpret the margin of error.