#3(8.2)find p value (round 4 dec places.)(underline it )Tell whether you reject null hypothesis? Salaries of Government Employees The mean salary of federal government employees on the General Schedule is $39,593The average salary of 33 state employees who do similar work is $38,811 with o=$1500. At the 0.05 level of significance, can ithe concluded that state employees eam on average less than federal employees? Use a graphing calculator#3(8.2)59,593 not claimThis hypothesis test is a one-tailedPvalue=

The sample size is 33, sample mean is 58811 and population standard deviation is 1500.

Answered: Salaries of Government Employees The…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Show formulas please and thank you You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency SquaredPearsonResidual A 16 I B 18 C 17 D 7 E 21 What is the chi-square test-statistic for this data?χ2=
State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t =1.667 (b) t =0 (c) t= -1.552 (d) t= -1.705 (look at image below)
At a magic shop, the salesperson shows you a coin that he says will land on heads more than 70% of the times it is flipped. In an attempt to convince you he's correct, the salesperson asks you to try the coin yourself. You flip the coin 65 times. (Consider this a random sample of coin flips.) The coin lands on heads 49 of those times. Complete the parts below to perform a hypothesis test to see if there is enough evidence, at the 0.10 level of significance, to support the salesperson's claim that the proportion, p, of all times the coin lands on heads is more than 70%. (a) State the null hypothesis H, and the alternative hypothesis H, that you would use for the test. Ho H: 0 D=D (b) For your hypothesis test, you will use a Z-test. Find the values of np andn (1-p) to confirm that a Z-test can be used. (One standard is that np 2 10 and n(1-p) > 10 under the assumption that the null hypothesis is true.) Here n is the sample size and p is the population proportion you are testing.
A researcher wants to see if there is a difference in APGAR scores of newborns depending on whether the mother smoked during pregnancy or not. She collects data and analyzes the results using SPSS. What is the correct way to report the results in APA style? Question 23 options: t(58) = 3.288, p>.05 t(58) = 3.288, p= .002 t(26.5) = 3.278, p<.05 t(26.5) =3.278, p=.003
It's just one question with sub-parts. Since you are only allowed to do 3 questions please do D, E, F the last 3 only. Thank you
Maps Translate The table below gives results from random samples of salaries in two cities. Pop City s($) Hartford 38 2212 2 Kansas City 30 1728 At a = 0.05, test the claim that salaries in Hartford have no more variation than salaries in Kansas City. 1. The null hypothesis is Ho: Οσισ O s1 < 82 2. This is a right tailed test with: dfn = and dfa = 3a. The STS (to 2 decimals) is F = 3b. The P-value (to 3 decimals) is: 4a. At a = 0.05, the decision is: O Accept Ha O Reject Ho O Do not reject Ho O Accept Ho
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Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:p = 0.2 versus H,:p>0.2 n= 200; x= 45, a = 0.01 Is npo (1-Po) 2 10? O No O Yes Use technology to find the P-value. P-value = (Round to three decimal places as needed.) the null hypothesis, because the P-value is than a.
Researchers thor used a hypothesis test to test the effectiveness of a drug he is developing. he obtained a p-value = 0.005 and concluded that the drug was effective (he used α = 0.05). Suppose the drug does not actually work. Which of the following statements is correct? thor should not reject the null hypothesis because the p-value is too large. Type I error occurred. Type II error occurred. There was no error. I do not know.
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