CENGAGE MINDTAP10.3 PracticeQuestions Exercise 10.19 Algo (Inferences About the Difference Between Two Population Means: Matched Samples)1.2.✔OConsider the following hypothesis test.The following data are from matched samples taken from two populations.a. Compute the difference value for each element. If your answer is zero, enter "0".Element12345b. Compute d.Differencec. Compute the standard deviation $4.d. Conduct a hypothesis test using a = 0.05. What is the p-value?The p-value is - Select your answer -What is your conclusion?Select your answer -Element12345HoHaHd ≤0a > 0Population1232816202622226162024Q Search this courseXQuestion 2 of 2Check My Work8:28

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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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Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample proportion is 0.1 based on a sample size of 95. Use a 10% significance level. The critical values of the test statistic that divide the rejection and non-rejection regions are what value?
Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p 0.33 The sample proportion is 0.31 based on a sample size of 100. Use a 10% significance level. What is the value of the test statistic? (Give your answer rounded to 2 decimals) (Be careful to make sure your + or - sign is correct)
Find test value and p-score.
Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample proportion is 0.1 based on a sample size of 95. Use a 10% significance level. What is the p-value?
. The term sample usually refers to a sample that ___ - Consists of people with chemical dependency problems - Uses the same group of individuals with a before/after measurement - Requires a dependent variable for hypothesis testing - Is randomly selected from two dependent populations
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.
An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 50 batteries from each manufacturer were measured. The population standard deviations of the voltage for each manufacturer are known. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) Population standard deviati A B 130 129 What type of hypothesis test should be performed? Select What is the test statistic? Ex: 0.12 1 4 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? Select
. A university examines the variability in the math scores of students accepted to the business and engineering schools. The table below presents sample data from the most recent incoming class.Engineering BusinessSample Standard Deviation 122.4 106.5Sample Size 16 19Perform a hypothesis test to determine whether the variation in math scores is different if ? = 0.05.
If a hypothesis test were conducted using a 5% level of significance, for which of the following p-values would the null hypothesis be rejected? A. 0.0367 B. 0.0501 C. 0.100 D. 0.299
Q6: Briefly, explain the importance of the tests shown in the following table in Hypothesis testing. Kolmogorov-Smimov Weight gain: Regular Diet Keto-Diet Statistic 0.360 0.146 df Sig. 8 .000 10 0.234 Shapiro-Wilk Statistic df 0.827 0.966 8 10 Sig. 0.021 0.850
If you use a 0.025 level of significance in a (two-tail) hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 600 if you use the Z test? Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING... Question content area bottom Part 1 Which of the following decision rules is correct? A. Reject H0 if ZSTAT<−2.24 or ZSTAT>+2.24. B. Reject H0 if −2.24<ZSTAT<+2.24. C. Reject H0 if −1.96<ZSTAT<+1.96. D. Reject H0 if ZSTAT<−1.96 or ZSTAT>+1.96.
Using the Hypothesis Testing Procedures, please complete: The mean age of senators in the 109th Congress was 60.35 years old. A random sample of 40 senators from various state senates had an average age of 55.4 years, and the population standard deviation is 6.5 years. At a = 0.05, is there sufficient evidence that state senators are on average younger than the Senators in Washington

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