Salaries of Government Employees The mean salary of federal government employees on the General Schedule is $59,593. The average salary of 30 state employees who do similar work is $58,800 with s  $1500. At the 0.01 level of significance, can it be concluded that state employees earn on average less than federal employees?

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Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: State the hypotheses.

Q: Test the claim that the proportion of men who own cats is significantly different than the…

A: H0: p1 = p2 Alternative hypothesis: Ha: p1 ≠ p2

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A: Claim : The mean amount of lead in drinking water in UAE is less than 15 mcg/L.

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A: Given, n1=120                                         n2=100 p1=35%=0.35…

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A:

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A:

Q: Test the claim that the proportion of men who own cats is significantly different than the…

A: Denote p1 is true proportion of male who won cat and p2 is the true proportions female who won cat.

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A: Introduction: It is of interest to test whether the population proportions of men who own cats, and…

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A: Note: based on the information, we used graphing calculator (T1-83 plus). In this context, you…

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A: *Answer:

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A: The sample proportions are The pooled proportion or weighted estimate of p is

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A: The given information is, The pooled proportion or weighted estimate of p is,

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A: Here p1 represents the population proportion of men who own cats and p2 represents the population…

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A: Provided information is, the leader of two postpartum women’s support groups is interested in the…

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A: See tha answer

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A: Given: Population proportion, p = 56% = 0.56 random sample, n =517 x = 277

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given data,For MenSample size n1=160sample proportion p1=30%=0.30For WomenSample size n2=140sample…

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A:

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A: Given X1=22 N=30 X2=20

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that among 180 men 85% own cats. So 85% of 180=153Among 100 women 45% own cats. So, 45% of…

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A: Using Excel data analysis tool, Select Data&gt; Data Analysis&gt; ANOVA : Single factor as given…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that  Sample men (n1) = 100 Men own cats (p1)  = 35% = 0.35 Sample women (n2)  = 120 Women own…

Q: What statistical test should she use to analyze the data?

A: Answer: From the given data We use Chi square test of Independence test to analyze the data