Suppose that a sample has been drawn from a normal population to conduct the hypothesis testHo: ² = 40H₁ ² > 40Assume that you know that the sample variance is s² = 68, the sample size is n = 24, and take a = 0.04. Draw the sampling distribution, anduse it to determine each of the following:A. The test statistic is:B. The p-value isC. Your decision for the hypothesis test:A. Fail to Reject HoB. Fail to Reject H₁-C. Reject H₁.D. Reject Ho.

Given,sample variance(s2)=68sample size(n)=24H0:σ2=40H1:σ2>40and α=0.04

Answered: Suppose that a sample has been drawn…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Use the Student's tt-distribution to find the tt-value for each of the given scenarios. Round tt-values to four decimal places. Find the value of tt such that the area in the right tail of the tt-distribution is 0.0005, if the sample size is 130. t= Find the value of tt such that the area in the left tail of the tt-distribution is 0.01, if the sample size is 123. t= Find the value of tt such that the area in the right tail of the tt-distribution is 0.005, if the sample size is 136. t= Find the two values of tt such that 80% of the area under the tt-distribution is centered around the mean, if the sample size is 96. Enter the solutions using a comma-separated list. t=
If actual period demand varies from the forecast by more than 3MAD, this indicates: there is 3% chance that the forecast is wrong. there is a 98% chance that the forecast is wrong. there is a 97% chance that the forecast is wrong. there is a 3% chance that the forecast is correct Moving to the next question prevents changes to this answer:
A sample is selected from a normal population with µ = 54 and σ = 8. Which of the following samples would be considered extreme and unrepresentative for this population? A. M = 53 and n = 81 B. M = 52 and n = 36 C. M = 53 and n = 36 D. M = 52 and n = 81
Q1. Which of these is not a parameter of the population distribution of X? A. Sample Mean of X. B. Variance of X. C. Std. deviation of X. D. The Expected value of X, E(X). O A. A В. Ь О С. с O D. d
Find the test statistic, t, to test the hypothesiis that p, = ,. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Round to three decimal places, n,=25 n, = 30 X, =32 X2 = 30 $=1.5 %3D $2=1.9 O A. 1.986 O B. 4.361 O C. 2.892 券 O D. 3.287 Click to select your answer. 02/16/21 ch 2.3 Homework a 99+
Use the Student's tt-distribution to find the tt-value for each of the given scenarios. Round tt-values to four decimal places. Find the value of tt such that the area in the left tail of the tt-distribution is 0.0005, if the sample size is 73. t= Find the value of tt such that the area in the right tail of the tt-distribution is 0.01, if the sample size is 76. t= Find the value of tt such that the area in the left tail of the tt-distribution is 0.05, if the sample size is 74. t= Find the two values of tt such that 95% of the area under the tt-distribution is centered around the mean, if the sample size is 32. Enter the solutions using a comma-separated list. t=
The t test for the difference between the means of two independent populations assumes that the respective Seleccione una: O A. populations are approximately normal. В. sample sizes are equal. С. sample variances are equal. O D. all of the above
The prices of a sample of books at University A were obtained by two statistics students. Then the cost of books for the same subjects (at the same level) were obtained for University B. Assume that the distribution of differences is Normal enough to proceed, and assume that the sampling was random. 1. Find the test statistic for this test. t = ___ (Round to two decimal places as needed.) 2. Find the p-value for this test. p-value = ____ (Round to three decimal places as needed.) 3. What is the conclusion for this test?
For the variance of a sample mean RV, taken from an infinite population whose mean is 10 and standard deviation is 2, to be equal to 1, the sample size should be Select one: 16 10 32 None 4
Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. a. Use a 0.05 significance level, and test the claim that males and females have the same mean body mass index (BMI). What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁ H₁ H₂ OC. Ho: H₁ H₂ H₁: H₁ H₂ The test statistic, t, is The P-value is . (Round to two decimal places as needed.) (Round to three decimal places as needed.) State the conclusion for the test. OB. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho: H₁ = H₂ H₁: H1 H₂ O A. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that men and women have the same mean BMI. O B. Fail to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that men and women have…
In testing for the differences between the means of two independent populations where the variances in each population are unknown but assumed equal, the degrees of freedom are Seleccione una: OA. n- 1. O B. m + n2 - 1. OC. n- 2. OD. m + n2 - 2.
T. Q 4.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS