Consider the following hypothesis test:Но : д > 170Ha : µ < 170The value of the test statistic z = -2.12. Find the p-value.Select one:O a. 0.0170O b. 0.9864O c. 0.9830O d. 0.0136

Given,H0:μ≥170Ha:μ<170test statistic(Z)=-2.12

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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The accompanying data are measured body temperatures of adults at 12 AM on a certain day. Use the Wilcoxon signed-ranks test to test the claim that the median is equal to 98.6°F. Use a 0.05 significance level. Click the icon to view the body temperature data. Determine the null and alternative hypotheses. Ho: The median body temperature is H₁: The median body temperature is (Type integers or decimals. Do not round.) Determine the P-value. The P-value is (Round to three decimal places as needed.) Determine the proper conclusion. Ho. There is ▼ ✔ evidence at the 0.05 significance level to warrant rejection of the claim that the median body temperature is C 98.6°F. Body Temperature Data 98.1 97.7 98.7 98.1 98.9 97.7 98.5 98.7 98.1 98.1 98.1 97.9 97.3 98.3 98.0 98.1 98.4 99.1 97.9 96.9 97.2 98.2 97.9 98.9 97.5 98.1 97.3 98.1 98.5 98.5 96.9 98.5 98.1 99.3 97.7 98.3 98.9 97.8 98.1 98.0 98.6 97.3 98.4 98.6 98 7 99.0 97.3 97.5 98.0 98.1 98.6 98.7 98.7 98.7 99.2 97.7 97.7 98.5 97.6 99.4 97.6…
Consider the following hypothesis test: H 0: u= 16 H a: u not equal16 A sample of 40 provided a sample mean of 14.35. The population standard deviation is 5. a. Compute the value of the test statistic (to 2 decimals). (If answer is negative, use minus “-“ sign.) b. What is the p-value (to 4 decimals)? c. Using = .05, can it be concluded that the population mean is not equal to 16? d. Using = .05, what are the critical values for the test statistic (to 2 decimals)?
None
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? Họ: H1: What type of test is being conducted in this problem? O Left-tailed test Right-tailed test Two-tailed test What parameter is being tested? Population standard deviation O Population mean O Population proportion
A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, μ, of the normal population from which the sample was drawn. H0: μ ≤ 2.85, Ha: μ > 2.85, x = 3.26, s = 0.55, n = 9, α = 0.05
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Use a t-test to test the claim about the population mean μ at the given level of significance α using the given sample statistics. Assume the population is normally distributed. Claim: μ=52,500; α=0.10 Sample statistics: x=52,691, s=1900, n=17 LOADING... Click the icon to view the t-distribution table. What are the null and alternative hypotheses? Choose the correct answer below. A. H0: μ≠52,500 Ha: μ=52,500 B. H0: μ≤52,500 Ha: μ>52,500 C. H0: μ=52,500 Ha: μ≠52,500 D. H0: μ≥52,500 Ha: μ<52,500 What is the value of the standardized test statistic? The standardized test statistic is nothing. (Round to two decimal places as needed.) What is(are) the critical value(s)? The critical value(s) is(are) nothing. (Round to three decimal places as needed. Use a comma to separate answers as needed.) Decide whether to reject or fail to reject the null hypothesis. A. Fail to reject H0.…
7. In testing the hypothesis The test statistic is found to be Z = 2.03. Which of the following is the correct p-value? Họ: u = 35 Hạ: u > 35 %3D A. 0.9788 B. 0.0424 C. 0.0212 D. 1.9576 E. None of these
For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Claim: The mean IQ score of statistics professors is less than 122. Sample data: n=21, x=120, s=14. The significance level is α=0.05. 1. Determine the test statistic t. t= ____ (Round to three decimal places as needed.) 2. Find the critical value using a t-distribution table. The critical value is ____ (Round to three decimal places as needed.) 3. What is the conclusion? A. Fail to reject the null hypothesis and do not support the claim tha μ>130. B. Reject the null hypothesis and do not support the claim that μ>130. C. Reject the null hypothesis and support the claim that μ>130. D. Fail to reject the null hypothesis and support the claim that μ>130.
:11 PM Tue Dec 14 ohm.lumenlearning.com Test the claim that the mean GPA of night students is larger than 3.3 at the 0.10 significance level. The null and alternative hypothesis would be: Ho:u > 3.3 Ho:p= 0.825 Họ:p 0.825 Ho:µ = 3.3 Ho:µ 0.825 H1:p 3.3 The test is: left-tailed right-tailed two-tailed o Based on a sample of 80 people, the sample mean GPA was 3.31 with a standard deviation of 0.04 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis Reject the null hypothesis Question Help: DPost to forum Submit Question

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Consider the following hypothesis test: Ho : jµ> 170 H. : µ < 170 The value of the test statistic z = -2.12. Find the p-value. Select one: O a. 0.0170 O b. 0.9864 O c. 0.9830 O d. 0.0136