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To test Ho: H=50 versus H₁: <50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x= 47.9 and s= 12.9, compute the test statistic. to (Round to three decimal places as needed.)

To test Ho: H=50 versus H₁: <50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x= 47.9 and s= 12.9, compute the test statistic. to (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
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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To test Ho: H=50 versus H₁: <50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x= 47.9 and s= 12.9, compute the test statistic. to (Round to three decimal places as needed.) CO
Transcribed Image Text:To test Ho: H=50 versus H₁: <50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x= 47.9 and s= 12.9, compute the test statistic. to (Round to three decimal places as needed.) CO
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If the researcher decides to test this hypothesis at the
α=0.1
level of​ significance, determine the critical​ value(s). Although technology or a​ t-distribution table can be used to find the critical​ value, in this problem use the​ t-distribution table given.
 
Critical​ Value:
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