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O When carrying out a pooled t-test, the degrees of freedom for the t-distribution is given by a function of and n2 alone. D The statistical test is two-sided. OThe statistic (x1 - x2)- (ui - 42) has approximately a t-distribution with the degrees of freedom given by a function of S1, S2, n1 and n2 O According to the Central Limit Theorem, the statistic (x1-x2)-(HI – 42) has exactly a t-distribution with the degrees of freedom given by a function of S1, $2, n1 and n2 %23 24 @ co

O When carrying out a pooled t-test, the degrees of freedom for the t-distribution is given by a function of and n2 alone. D The statistical test is two-sided. OThe statistic (x1 - x2)- (ui - 42) has approximately a t-distribution with the degrees of freedom given by a function of S1, S2, n1 and n2 O According to the Central Limit Theorem, the statistic (x1-x2)-(HI – 42) has exactly a t-distribution with the degrees of freedom given by a function of S1, $2, n1 and n2 %23 24 @ co

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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Which of the following is FALSE about testing for a difference in two means? O When carrying out a pooled t-test, the degrees of freedom for the t-distribution is given by a function of ni and n2 alone. O The statistical test is two-sided. The statistic (x1 – x2) – (µ1 – 42) has approximately a t-distribution with the degrees of freedom given by a function of S1, $2, n1 and n2 O According to the Central Limit Theorem, the statistic (x1 – x2) – (µ1 – 42) has exactly at-distribution with the degrees of freedom given by a function of S1, S2, n1 and n2 & %23 24 8. 4. R. %#3
Transcribed Image Text:Which of the following is FALSE about testing for a difference in two means? O When carrying out a pooled t-test, the degrees of freedom for the t-distribution is given by a function of ni and n2 alone. O The statistical test is two-sided. The statistic (x1 – x2) – (µ1 – 42) has approximately a t-distribution with the degrees of freedom given by a function of S1, $2, n1 and n2 O According to the Central Limit Theorem, the statistic (x1 – x2) – (µ1 – 42) has exactly at-distribution with the degrees of freedom given by a function of S1, S2, n1 and n2 & %23 24 8. 4. R. %#3
For PI = 0.68 with ni = 1000 and P2 = 0.52 with n2 = 2000 , the p-value for the test Ho: P1 = P2 versus HA: P1 P2 is given by which of the following? P(Z > 8.35) P(Z < 8.35) P(|Z| < 8,35) P(|Z| 2 8.35)
Transcribed Image Text:For PI = 0.68 with ni = 1000 and P2 = 0.52 with n2 = 2000 , the p-value for the test Ho: P1 = P2 versus HA: P1 P2 is given by which of the following? P(Z > 8.35) P(Z < 8.35) P(|Z| < 8,35) P(|Z| 2 8.35)
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