A random sample of 100 observations from a population with standard deviation 74 yielded a sample mean of 114. Complete parts a through c below. a. Test the null hypothesis that μ=100 against the alternative hypothesis that μ>100, using α=0.05. Interpret the results of the test. What is the value of the test statistic? z=enter your response here (Round to two decimal places as needed.)

A random sample of 100 observations from a population with standard deviation 74 yielded a sample mean of 114. Complete parts a through c below. a. Test the null hypothesis that μ=100 against the alternative hypothesis that μ>100, using α=0.05. Interpret the results of the test. What is the value of the test statistic? z=enter your response here (Round to two decimal places as needed.)

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

What percentage of a population typically lands within two standard deviations of the mean under a normal distribution? O 99.7% O 68% O 95% 99.9% 77°F Sunny Type here to search F12 Prt Sc Del F9 F10 F11 Insert FS F6 F7 4- FZ F3 F4 & Backsp @ 23 %24 %3D 5 6 7 2 3 4 R T Y U Q H K F A M. C V Alt Ctrl Alt
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=71.8σ=71.8. You would like to be 99% confident that your estimate is within 2.5 of the true population mean. How large of a sample size is required? n =
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=72.1σ=72.1. You would like to be 99% confident that your estimate is within 2 of the true population mean. How large of a sample size is required?
Find the p-value for the 2-test. (Round your answer to four decimal places.) a left-talled test with observed z=-1.83 LAUSE SALT p-value= Determine the significance of the results. O The results are highly significant. O The results are statistically significant. O The results are only tending toward statistical significance. The results are not statistically significant.
Need help finding what t= to
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=37.8σ=37.8. You would like to be 90% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?
Trap spacing measurements (in meters) for a sample of seven teams of red spiny lobster fisherman are reproduced in the accompanying table. Let u represent the average of the trap spacing measurements for the population of red spiny lobster fisherman. The mean and the standard deviation of the sample measurements are x = 91.4 meters and s = 12.2 meters, respectively. Suppose you want to determine if the true value of µ differs from 95 meters. Complete parts a through h below. μ 94 100 108 97 83 71 87 a. Specify the null and alternative hypotheses for this test. OA. Ho: μ = 95 Ha: μ 95 d. Find the approximate p-value of the test. OD. Ho: μ = 95 H₂:μ #95 a MacBook Pro Next
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=56.5σ=56.5. You would like to be 95% confident that your estimate is within 1 of the true population mean. How large of a sample size is required?
(b) Find the standardized test statistic for u1-u2 t= (Round to three decimal places as needed.) c) Calculate the P.value. P= (Round to four decimal places as needed.) (d State the conclusion ___________ Ho- There ____________ enough evidence at the 1% level of significance to support the researcher's claim.
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=49.8σ=49.8. You would like to be 90% confident that your estimate is within 5 of the true population mean. How large of a sample size is required?n = Round up to the next whole number.
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=21.8σ=21.8. You would like to be 98% confident that your estimate is within 0.8 of the true population mean. How large of a sample size is required?n = Do not round mid-calculation.
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=46.9σ=46.9. You would like to be 95% confident that your estimate is within 2 of the true population mean. How large of a sample size is required?n =