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Suppose that the weight of the cereal in boxes of Loopy Froots breakfast cereal is normally...

Suppose that the weight of the cereal in boxes of Loopy Froots breakfast cereal is normally distributed. A consumer advocate group randomly sampled 8 boxes of Loopy Froots and weighed the contents (in grams): 535, 540, 565, 575, 535, 558, 564, and 550. PLEASE USE STATS ONLY, NO CALCULUS

a. Find the sample mean

b. Find the sample standard deviation

c. For 95%-CL, find the margin of error E.

d. Construct the 95%-CI for the mean average of the weight of the cereal in boxes of Loopy Froots.

Math   Statistics-And-Probability   
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