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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 75 times)

madam-professor

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on: Feb 14, 2020

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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Reply #1 on: Feb 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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madam-professor

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Reply 2 on: Feb 14, 2020
Gracias!

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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