Consider the following hypothesis test.Ho : µ1 – u2 = 0Ha : µ1 – µ2 70The following results are from independent samples taken from two populations.Sample 1Sample 2n1n2 = 40%3|*1 = 13.6T2 = 10.1S1= 5.3S2= 8.8%3|a. What is the value of the test statistic (to 2 decimals)?b. What is the degrees of freedom for the t distribution (round the answer to the previous whole number)?c. What is the p-value? Use Table 2 from Appendix B.The area in the upper tail is- Select your answer -v; two-tailed p-value isSelect your answer -d. At a =0.05, what is your conclusion?p-value is- Select your answer -v Ho Consider the following hypothesis test.Но: М — М2 0На: — М > 0The following results are for two independent samples taken from the two populations.Sample 1Sample 2ni = 40n2 =50%3D*1 = 25.2X2 = 22.801 = 5.202 =6.0a. What is the value of the test statistic (round to 2 decimals)?b. What is the p-value (round to 4 decimals)? Use z-value rounded to 2 decimal places.c. With a =:0.05, what is your hypothesis testing conclusion?p-value is- Select your answer -Но

We want to find the test statistics value ,Degree of freedom and P-value Note: According to…

Answered: Consider the following hypothesis test.…

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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A test of Ho:mu-3 vs Ha: mu not-3 resulted in a p-value of 0.13. We can predict that, using the same data set: • the 90% CI for mu • the 95% CI for mu [Select] . [Select] the 99% CI for mu [ Select] include 3 include 3 ✓include 3
A physical therapist wanted to know whether the mean step pulse of men was less than the mean step pulse of women. She randomly selected 54 men and 70 women to participate in the study. Each subject was required to step up and down a 6-inch platform. The pulse of each subject was then recorded. The following results were obtained. Two sample T for Men vs Women N Mean StDev SE Mean Men Women 98% CI for mu Men - mu Women (- 12.20, - 1.00) T-Test mu Men = mu Women (vs H2 O C. Ho: H1 = H2; Ha: H1 #H2 (b) Identify the P-value and state the researcher's conclusion if the level of significance was a = 0.01. What is the P-value? P-value =
A paired and independent- sample t-test each had degrees of preedom (df)=33.What are the sample sizes? A.paired-samples t-test 34/independnt-samples t-test 35 B.paired-samples t-test 32/independent-samples t-test 31 C.paired-smaples t-test 35/independent- samples t-test 34
The results of a mathematics exam at JUST university for two classes are as follows: Class 1: (n=32 , mean=12.6, SD=8) and Class 2: (n=36, mean=2.4, SD=12).we are testing if the means are different What is the z statistic (a=0.05): on О а. 1.7000 O b. 6.1237 O c. 3.7559 O d. 4.1641
Ida Find the P-value for the following values of the test statistic t, Sample size n, and alternate hypothesis H1. If you use table A. 3, you may specify that is between two values. t = -1.584, n = 19, H₁:μ ‡μO
Two samples were drawn independently from two normal populations. Sample 1: 11.6, 11.35, 10.1, 10.85, 10.35, 10.6, and 11.1.Sample 2: 5.85, 8.85, 9.85, 11.85 and 7.85.Test to determine whether the means of the two population differs (use α=0.05).
5.32 Fuel efficiency of manual and automatic cars, Part I: Do these data provide strong evidence of a difference between the average fuel efficiency of cars with manual and automatic transmissions in terms of their average city mileage? Assume that conditions for inference are satisfied. City MPG, Automatic City MPG, Manual Mean 16.12 19.85 SD 3.58 4.51 n 26 26 The test statistic is:The p-value is:
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(3) If you are evaluating two different sets of measurements 0.952(7) atm and 0.977(5) atm. Are they statistically equivalent?
You may need to use the appropriate technology to answer this question. Submitted The following table contains observed frequencies for a sample of 200. Column Variable Row Variable A B C P 20 44 50 Q 30 26 30 Test for independence of the row and column variables using a = 0.05. State the null and alternative hypotheses. Ho: The column variable is independent of the row variable. H: The column variable is not independent of the row variable. Ho: Variable P is not independent of variable Q. H: Variable P is independent of variable Q. Ho: Variable P is independent of variable Q. H: Variable P is not independent of variable Q. : The column variable is not independent of the row variable. Ho: : The column variable is independent of the row variable. Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value %3D State your conclusion. Reject Ho. We conclude that the column and row variables are…
You are conducting a hypothesis test on the body weights of male fraternity members. The research (alternative) hypothesis is that the averge weight is less than 200 lbs. Your test will be at the 0.01 significance level. You take a sample of 100 men, and find that the sample average is 210 lbs, and the standard error is 2 lbs. What is the value of your test statistic? (Please answer to two decimal places. ex: 5.43)
Only C and D

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