the last one f please 56. Doritos Some students checked 6 bags of Doritos marked

Question

the last one f please

56. Doritos Some students checked 6 bags of Doritos marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the following weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5 a) Do these data satisfy the assumptions for inference? Explain. b) Find the mean and standard deviation of the weights. c) Create a 95% confidence interval for the mean weight of such bags of chips. CHAPTER 14 Confidence Intervals for Means 469 d) Explain in context what your interval means. Coment on the company's stated net weight of 28.3 grams. *) Why might finding a bootstrap confidence interval not be a good idea for these data? a) Assumptions for interference

Explanation / Answer

Finding a bootstrap confidence interval not be a good idea for these data. Because the empirical coverage is too large or too small and whether coverage is better in one tail than the other, depend on the statistic being evaluated and characteristics of the population being sampled.

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