SavedThe null and alternate hypotheses are:Ha PasoH₁: MOThe following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sampleof 4 days last month.Day1234Day shift14131617Afternoon shift9101316At the 0.05 significance level, is there a difference in the mean number of citations given by the two shifts?a. What is the p-value? (Round your answer to 4 decimal places.)p-valueb. What is your decision regarding the null hypothesis?O Reject HeO Do not reject He4 c. What is the conclusion indicated bythe analysis?งSavedThe null and alternate hypotheses are:Ha Ha 50H₁ Hd OThe following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sampleof 4 days last month.Day1234Day shift14131617Afternoon shift9101316At the 0.05 significance level, is there a difference in the mean number of citations given by the two shifts?a. What is the p-value? (Round your answer to 4 decimal places.)p-valueb. What is your decision regarding the null hypothesis?O Reject HoO Do not reject He

We are given a right-tailed hypothesis:a.Preparing the table of…

Answered: Saved The null and alternate hypotheses…

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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Kenneth, a competitor in cup stacking, claims that his average stacking time is 8.2 seconds. During a practice session, Kenneth has a sample stacking time mean of 7.8 seconds based on 11 trials. At the 4% significance level, does the data provide sufficient evidence to conclude that Kenneth's mean stacking time is less than 8.2 seconds? Accept or reject the hypothesis given the sample data below. H0:μ=8.2 seconds; Ha:μ<8.2 seconds α=0.04 (significance level) z0=−1.75 p=0.0401 Select the correct answer below: a. Do not reject the null hypothesis because the p-value 0.0401 is greater than the significance level α=0.04. b. Reject the null hypothesis because the p-value 0.0401 is greater than the significance level α=0.04. c. Reject the null hypothesis because the value of z is negative. d. Reject the null hypothesis because |−1.75|>0.04. e. Do not reject the null hypothesis because |−1.75|>0.04.
The null and alternative hypotheses are: Pl : ºH H1 : Ha 70 = 0 The following paired observations show the number of traffic citations given for speeding by Officer Dhondt and Officer Meredith of the Ontario Provincial Police (OPP) for the last five months: Day August Мay June July September Officer Dhondt 34 24 26 17 29 Officer Meredith 24 18 23 31 20 At the 0.01 significance level, is there a difference in the mean number of citations given by the two officers? a. State the decision rule. (Negative answer should be indicated by a minus sign. Round the final answers to 3 decimal places.) Reject Ho if t b. Compute the value of the test statistic. (Negative answer should be indicated by a minus sign.Round the final answer to 3 decimal places.) Value of the test statistic c. What is your decision regarding Ho? Do not reject Но- d. Determine the p-value. (Round the final answer to 4 decimal places.) The p-value is between 0 and 0.001
Use a 0.05 significance level to test the claim that males and females have the same mean BMI Male BMI n=80 * = 26.3 s = 5.4 Female BMI n=61 I = 28.4 s = 7.4
In 2022, Los Angles Times reported that the mean fare to fly from San Francisco to Los Angeles, on a discount ticket was around $360. A random sample of round-trip discount fares on this route last month is provided below: At the 0.05 significance level, can we conclude that the mean fare has increased? Amount 390 386 390 430 410 350 370 380 399 365 391 375 381 400 389 410 398 358 421 398
Is Friday the 13th Unlucky? The table shows the number of hospital admissions for Friday the 6th and Friday the 13th. Assume that the two samples are randomly selected. At the 0.05 significance level, test the claim that there is no mean difference in the number of hospital admissions for Friday the 6th and Friday the 13th.(Be sure to subtract in the same direction). Friday 6th Friday 13th Difference 4 2 6 10 5 6 9 13 3 2 11 15 12 12
Every year during home football games the Carroll College fans do push-up contests to see how many they can do. Suppose that a curious stats student in the stands kept track of the number of push-ups completed for several students of both genders. 0.05 significance level to test the claim Males 25 13 31 23 27 17 27 31 24 18 Females 15 8 15 13 5 23 25 8 30 3 (a) What is the test statistic? ________ (b) Construct a 95% confidence interval fro the mean of the differences between males and females. __________< u < _________
A criminologist was interested in whether there was any disparity in sentencing. She selected at random of 24 drug convictions for cocaine distribution and compared the prison terms given by two judges as below. Judge1 Judge2 7 5 7 6 6 4 5 5 2 5 5 5 7 4 6 6 5 5 7 5 10 4 7 5 From performing a hypothesis test to determine if judge1 differs from judge2 in the mean of sentence years, what is the p-value? (Round off to three decimal places if necessary)
5)
. Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n=25, x=24.4, s=9.2. Use a significance level of a=0.05 Null and alternative hypothesis (give both in symbolic form and sentence form): Test statistic and p-value (show the calculation or show what you entered into the calculator (screenshots are ok here)): Technical conclusion, circle one: reject the null hypothesis or fail to reject the null hypothesis Why did you choose to reject or fail to reject the null hypothesis? Nontechnical conclusion addressing the original claim:

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