a=0.05, z=1.30, h a:u1=/u2What is the decision making for this hypothesis test? A.Reject B.fail to reject

Answered: a=0.05, z=1.30, h a:u1=/u2 What is 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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Answer A B C
State whether the standardized test statistict indicates that you should reject the null hypothesis. Explain. (a) t= 1.608 (b) t= 0 (c) t= 1.502 (d) t= - 1.643 0. 6=1594 (a) For t= 1.608, should you reject or fail to reject the null hypothesis? O A. Reject Ho, because t> 1.594. O B. Fail to reject Hn. because t> 1.594. O C. Reject Ho, because t<1.594. O D. Fail to reject Hn. because t< 1.594.
State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t= 1.566 (b) t=0 (c) t= 1.497 (d) t= - 1.571 6=1.546 (a) For t= 1.566, should you reject or fail to reject the null hypothesis? O A. Fail to reject Ho, because t 1.546. O C. Reject Ho, because t> 1.546. O D. Reject Ho, because t 1.546. O C. Reject Ho, because t>1.546. O D. Fail to reject Ho, because t<1.546. (c) For t= 1.497, should you reject or fail to reject the null hypothesis? OA Fail tn raiert H. haraiea t<1 KAR Click to select your answer. esc @ # $ * 3 4 5 6 8 * C0
After asking a sample of her students for their opinion of her class, the statistics professor calculates the test statistic z = 2.69 for the hypothesis test H: p = 0.80 H: p > 0.80, where p is the proportion of all students in the class who enjoyed the class. Which of the following is true? a The P-value is .9964 and conclude that more than 80% of the students enjoyed her class. b The P-value is .0036 and conclude that more than 80% of the students enjoyed her class. c The P-value is .9964 and conclude that less than 80% of the students enjoyed her class. d The P-value is .0036 and conclude that less than 80% of the students enjoyed her class.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.59 versus H: p<0.59 n= 150, x= 78, a=0.1 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.) because the P-value is V than a. Statcrunch
The FDA regulates that fish that is consumed is allowed to contain 1 mg/kg of mercury. In Alaska, bass fish were collected in 36 different lakes to measure the amount of mercury in the fish. Do the data provide enough evidence to show that the fish in Alaska lakes has more mercury than the allowable amount? Below, set up the Null Hypothesis Ho and the Alternative Hypothesis HA. Ho: H (? HẠ: H (?
A mail-order catalog claims customers will receive their product within 4 days of ordering. A customer believes that it takes more than 4 days to receive the product. State the appropriate null and alternative hypothesis to be tested by the customer. Let m = average number of days until the product is received. Group of answer choices H0: m = 4, Ha = m > 4 H0: m=4, Ha = m < 4
The following hypothesis test is to be conducted. Ho: Median ≤ 190 H₂: Median > 190 A sample of 30 provided 22 observations greater than 190, 3 observations equal to 190, and 5 observations less than 190. Use α = 0.01. Find the value of the test statistic. (Round your answer to two decimal places.) z = 2.56 X Find the p-value. (Round your answer to four decimal places.) p-value = 0.0052 X What is your conclusion? Reject Ho. The population median is less than or equal to 190. Do not reject Ho. The population median is less than or equal to 190. Reject Ho. The population median is greater than 190. Do not reject Ho. The population median is greater than 190.
Does training in stress reduction make a difference for student success? 15 students received training (M1= 88, SS1= 400) and 15 students did not (M2= 82, SS2= 440). Test using α = .05 The correct APA format for the result would include
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.87 versus H1: p≠0.87 n=500, x=430 , a=0.1
A test is made of H0: u=5 vs Ha: u<5. The true value of u is 5, and is rejected. What type of error is this outcome? A. Type I error B. Type II error
Seat Belt Use In a sample of 202 men, 77 said they used seat belts. In a sample of 311 women, 84 said they used seat belts. Test the claim that men are more safety-conscious than women, at =α0.01. Use the P-value method and use p1 for the proportion of men who use seat belts. 1. State the hypothesis and make the claim. 2. Find the P-value 3. Make a decision and summarize your answer.

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	A.	Reject
	B.	fail to reject

a=0.05, z=1.30, h a:u1=/u2 What is the decision making for this hypothesis test? A. Reject B. fail to reject