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a= 0.1, two tailed test a = 0.5. right-taled test

a= 0.1, two tailed test a = 0.5. right-taled test

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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Answer b and c only. The solution guide is already given

Step 1 Draw the figure and indicate the appropriate area. Step2 Find the z value which corresponds to the area Given A left-tailed test with a =0.10. Find the area closest to 0.1000 in z table. In this case, it is 0.1003 the z value which corresponds to the area 0.1003. It is -1.28. -0.2000 For the left z critical value, fnd the area A two-tailed test with closest to . or 2 = 0.01. In this case, it is a = 0.02. 0.0099. For the right z critical value, find the area closest to 1 - or 1 case, it is 0.9901. Find the z values for each of the areas. For 0.0099, z =-2.33. For the area of 0.9901, z=0.9901, z = +2.33. a02 = 0.9900. In this 0.01 -2.33 +2.93 A right-tailed test with a = 0.005. area closest to 1-a, Find the 1 - 0.005 = 0.9950, In this case, it is 0.9949 or 0.9951. or The two z values corresponding to 0.9949 and 0.9951 are 2.57 and 2.58. 0.005 Since 0.9500 is halfway between these two values, find the average of the two values (2.57 +2.58) /2 = 2.575. However, 2.58 is most often used. g = 0.05, left-tailed test a = 0.1, two-taled test 4 = 0.5, right-tailed test
Transcribed Image Text:Step 1 Draw the figure and indicate the appropriate area. Step2 Find the z value which corresponds to the area Given A left-tailed test with a =0.10. Find the area closest to 0.1000 in z table. In this case, it is 0.1003 the z value which corresponds to the area 0.1003. It is -1.28. -0.2000 For the left z critical value, fnd the area A two-tailed test with closest to . or 2 = 0.01. In this case, it is a = 0.02. 0.0099. For the right z critical value, find the area closest to 1 - or 1 case, it is 0.9901. Find the z values for each of the areas. For 0.0099, z =-2.33. For the area of 0.9901, z=0.9901, z = +2.33. a02 = 0.9900. In this 0.01 -2.33 +2.93 A right-tailed test with a = 0.005. area closest to 1-a, Find the 1 - 0.005 = 0.9950, In this case, it is 0.9949 or 0.9951. or The two z values corresponding to 0.9949 and 0.9951 are 2.57 and 2.58. 0.005 Since 0.9500 is halfway between these two values, find the average of the two values (2.57 +2.58) /2 = 2.575. However, 2.58 is most often used. g = 0.05, left-tailed test a = 0.1, two-taled test 4 = 0.5, right-tailed test
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