Question 12 A factory produces bottles of water. Two different machines are used to fill empty bottles with the manager chooses a random sample of 50 bottles filled by machine A and a random sample of 60 bc machine B. The volumes of water, x and y, respectively, measured in appropriate units are summari ΣΧ-45.5, Σχ-60.965, ΣΥΗ 72.3, ΣΥ- 132.2 Test at the 10% significance level, whether there is any difference in the means of the volume of w machine B (u,) and the volume of water filled by machine A (U), The calculated value of z is A. 1.841 B. 1.980 C. -1.841 D. -1.992 O D
Question 12 A factory produces bottles of water. Two different machines are used to fill empty bottles with the manager chooses a random sample of 50 bottles filled by machine A and a random sample of 60 bc machine B. The volumes of water, x and y, respectively, measured in appropriate units are summari ΣΧ-45.5, Σχ-60.965, ΣΥΗ 72.3, ΣΥ- 132.2 Test at the 10% significance level, whether there is any difference in the means of the volume of w machine B (u,) and the volume of water filled by machine A (U), The calculated value of z is A. 1.841 B. 1.980 C. -1.841 D. -1.992 O D
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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