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Author Question: Solar energy is considered by many to be the energy of the future. A recent survey was taken to ... (Read 161 times)

Anajune7

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on: Jul 24, 2018
Solar energy is considered by many to be the energy of the future. A recent survey was taken to compare the cost of solar energy to the cost of gas or electric energy.
 
  Results of the survey revealed that the distribution of the amount of the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of 117 and a standard deviation of 13. If the distribution can be considered bell shaped, what percentage of homes will have a monthly utility bill of more than 104? A) approximately 84 B) approximately 95
  C) approximately 16 D) approximately 32

Question 2

The Kruskal-Wallis test is the nonparametric version of the parametric _________.
 
  A) One-way ANOVA test
  B) linear correlation of variable
  C) small sample z or t test
  D) inference test about the difference of the means for independent samples


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helenmarkerine

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Anajune7

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Reply 2 on: Jul 24, 2018
Wow, this really help

alvinum

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

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