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Author Question: A recipe submitted to a magazine by one of its subscribers states that the mean baking time for a ... (Read 34 times)

madam-professor

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Question 1

A sample of 8 measurements, randomly selected from a normally distributed population, resulted in the following summary statistics: = 5.2, s = 1.1. Test the null hypothesis that the mean of the population is 4 against the alternative hypothesis μ ≠ 4. Use α = .05.

Question 2

A recipe submitted to a magazine by one of its subscribers states that the mean baking time for a cheesecake is 55 minutes. A test kitchen preparing the recipe before it is published in the magazine makes the cheesecake 10 times at different times of the day in different ovens. The following baking times (in minutes) are observed.

54555859596061616265

Assume that the baking times belong to a normal population. Test the null hypothesis that the mean baking time is 55 minutes against the alternative hypothesis  μ > 55. Use α = .05.


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Marked as best answer by madam-professor on Feb 14, 2020

fatboyy09

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madam-professor

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Reply 2 on: Feb 14, 2020
Wow, this really help


recede

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Reply 3 on: Yesterday
Excellent

 

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