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Author Question: Consider the following set of salary data:To determine if women have a higher mean salary than men, ... (Read 96 times)

biggirl4568

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Question 1

In a controlled laboratory environment, a random sample of 10 adults and a random sample of 10 children were tested by a psychologist to determine the room temperature that each person finds most comfortable. The data are summarized below:




If the psychologist wished to test the hypothesis that children prefer warmer room temperatures than adults, which set of hypotheses would he use?
H0: (μ1 - μ2) = 0 vs. H0: (μ1 - μ2) = 0
H0: (μ1 - μ2) = 0 vs. H0: (μ1 - μ2) > 0
H0: (μ1 - μ2) = 3 vs. H0: (μ1 - μ2) ≠ 0
H0: (μ1 - μ2) = 0 vs. H0: (μ1 - μ2) < 0

Question 2

Consider the following set of salary data:



To determine if women have a higher mean salary than men, we would test:
H0: μ1 - μ2 = 0 vs. Ha: μ1 - μ2 = 0
H0: μ1 - μ2 = 0 vs. Ha: μ1 - μ2 ≠ 0
H0: μ1 - μ2 = 0 vs. Ha: μ1 - μ2 < 0
H0: μ1 - μ2 = 0 vs. Ha: μ1 - μ2 > 0


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Marked as best answer by biggirl4568 on Feb 14, 2020

Eazy416

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biggirl4568

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


nanny

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Reply 3 on: Yesterday
Gracias!

 

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