1 tasted yogurt containing the extra calciur but without the added calcium. Both groups rated the flavor on a scale of 1 to 10, with 1 being "ve unpleasant" and 10 being "very pleasant." The mean rating for group 1 was x = 6.5 with a standard deviation of s = 1.5. The mean rating for group 2 was x2 = 7.0 with a standard deviation of s2 2.0 Let 4and 42 represent the mean ratings we would observe for the entire population represented by volunteers if all members of this population tasted, respectively, the yogurt with and without the ad calcium. Assuming the conditions for using t-procedures have been met, which of the following %3D represents a 90% confidence interval for # -42 (using a conservative value for the degrees of freedom)?
1 tasted yogurt containing the extra calciur but without the added calcium. Both groups rated the flavor on a scale of 1 to 10, with 1 being "ve unpleasant" and 10 being "very pleasant." The mean rating for group 1 was x = 6.5 with a standard deviation of s = 1.5. The mean rating for group 2 was x2 = 7.0 with a standard deviation of s2 2.0 Let 4and 42 represent the mean ratings we would observe for the entire population represented by volunteers if all members of this population tasted, respectively, the yogurt with and without the ad calcium. Assuming the conditions for using t-procedures have been met, which of the following %3D represents a 90% confidence interval for # -42 (using a conservative value for the degrees of freedom)?
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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