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Sigchi4life
Category:
Mathematics
Price: \$10 USD

Question description

Confidence Intervals for One Population Mean
Read the case study "Chips Ahoy! 1,000 Chips Challenge," Chapter 8, pp. 304–305, from your textbook, Elementary Statistics. Answer the following questions and conduct the analyses required in each part:

a.  Obtain and interpret a point estimate for the mean number of chocolate chips per bag for all bags of Chips Ahoy! Cookies.

b.  Is it reasonable to use the one-mean t-interval procedure to obtain a conﬁdence interval for the mean number of chocolate chips per bag for all bags of Chips Ahoy! Cookies? Explain your answer.

c.  Determine a 95% conﬁdence interval for the mean number of chips per bag for all bags of Chips Ahoy! Cookies, and interpret your result in words. The standard deviation is 117.6. Compare your confidence interval to the point estimate in part a, and interpret the difference in your findings.

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