State whether the standardized test statistic tindicates that you should reject the null hypothesis.Explain.(a) t= 1.771(b) t=0(c) t= 1.617(d) t= 1.733(a) For t= 1.771, should you reject or fail to reject the null hypothesis?OA. Fail to reject Ho, because t > 1.703.OB. Reject Ho, because t<1.703.OC. Fail to reject Ho, because t<1.703.OD. Reject Ho, because t > 1.703.(b) For t=0, should you reject or fail to reject the null hypothesis?OA. Fail to reject Ho, because t > 1.703.B. Fail to reject Ho, because t< 1.703.C. Reject Ho, because t > 1.703.OD. Reject Ho, because t < 1.703.(c) For t= 1.617, should you reject or fail to reject the null hypothesis?O A. Reject Ho, because t<1.703.B. Fail to reject Ho, because t > 1.703.OC. Reject Ho, because t > 1.703.OD. Fail to reject Ho, because t<1.703.(d) For t= 1.733, should you reject or fail to reject the null hypothesis?OA. Fail to reject Ho, because t<1.703.OB. Fail to reject Ho, because t > 1.703.OC. Reject Ho, because t<1.703.OD. Reject Ho, because t > 1.703.to = 1.703tQQ

Given,t-critical value(t0)=1.703and the given test is right-tailed test.

Answered: State whether the standardized 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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Q17 An IQ test is designed so that the mean is 100 and the standard deviation is 21 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90% confidence that the sample mean is within 8 IQ points of the true mean. Assume that o=21 and determine the required sample size using technology. Then determine if this is a reasonable sample size for a real world calculation . The required sample size is ___ ( round up to the nearest interger ) Would it be reasonable to sample this number of students? a. No, this number of IQ test scores is a fairly large number b. Yes, this number of IQ test scores is a fairly small number . c. No , this number of IQ test scores is a fairly small number . d. Yes , this number of IQ test score is a fairly large number
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n a sample of 1313 randomly selected high school seniors, the mean score on a standardized test was 11911191 and the standard deviation was 167.0167.0. Further research suggests that the population mean score on this test for high school seniors is 10201020. Does the t-value for the original sample fall between minus−t 0.99t0.99 and t 0.99t0.99? Assume that the population of test scores for high school seniors is normally distributed. Question content area bottom Part 1 The t-value of tequals=enter your response here ▼ does does not fall between minus−t 0.99t0.99 and t 0.99t0.99 because t 0.99t0.99equals=enter your response here.
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. In testing the hypothesis Ho : μ = 75 vs H₁ : µ ‡ 75, the following information is known: n=64, x = 78 and ²: = 100. The test statistic is equal to: (a) -2.4 (b) 2.4 (c) 1.96 (d) -1.96 (e) None of the above
(b) x = 25.1 Find the value of the test statistic. Find the p-value. p-value - State your concluslon. O Reject Ho. There is sufficient evidence to conclude that u z 22. Reject Hg. There is insufficient evidence to conclude that u = 22. O Do not reject Ho. There is insufficient evidence to conclude that u + 22. O Do not reject Ho: There is sufficient evidence to conclude that u + 22. (c) x = 21 Find the value of the test statistlc. Find the p-value. p-value = State your conclusion. O Reject Ho. There Is sufficlent evidence to conclude that u + 22. O Reject Hg. There is insufficient evidence to conclude that u + 22. O Do not reject Ho- There is insufficient evidence to conclude that pu + 22. O Do not reject Hp. There is sufficient evidence to conclude that u + 22.
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Determine the rejection region for a hypothesis test for the population mean using the give information. Assume that the population standard deviation is unknown, the sample size is small, and the population distribution is approximately normal. Write your answer in a format exactly as in the following examples, "t <= -2.203", or "t >= 1.706", or "|t| >= 1.305". Do not forget the SPACE after t and the SPACE before the number. Also make sure to enter the digit 0 before the decimal point. ?=0.90,??=18 two-tailed test Reject H0 if
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State whether the standardized test statistic z indicates that you should reject the null hypothesis. (a) z = 1.608 (b) z= -1.694 (c) z = - 1.749 (d) z= - 1.496 -zo -1.645 0 (a) For z=1.608, should you reject or fail to reject the null hypothesis? O A. Reject Ho because z> - 1.645. O B. Fail to reject Hn because z> -1.645. en O C. Reject Ho because z -1.645. O B. Fail to reject Ho because z -1.645. Click to select your answer. ple MacBook Air esc 2# $ & 3 5 7 8 Q W E R T Y A G K C alt option command B a> >
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