(b-2) Based on the above data choose the correct decision. O Do not reject the null hypothesis O Reject the null hypothesis (c-1) Comparison of credits at time of graduation for randomly chosen accounting and economics students: I1 = 149, s = 2.8, n = 12, 72 = 146, s2 = 2.7, ng = 17, a = .05. right-tailed test. (Negative values should be Indicated by a mlnus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 declmal places. Do not use "qulck" rules for degrees of freedom.) d.f. t-calculated p-value t-critical (c-2) Based on the above data choose the correct decision.
(b-2) Based on the above data choose the correct decision. O Do not reject the null hypothesis O Reject the null hypothesis (c-1) Comparison of credits at time of graduation for randomly chosen accounting and economics students: I1 = 149, s = 2.8, n = 12, 72 = 146, s2 = 2.7, ng = 17, a = .05. right-tailed test. (Negative values should be Indicated by a mlnus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 declmal places. Do not use "qulck" rules for degrees of freedom.) d.f. t-calculated p-value t-critical (c-2) Based on the above data choose the correct decision.
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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Transcribed Image Text:(b-2) Based on the above data choose the correct decision.
O Do not reject the null hypothesis
O Reject the null hypothesis
(c-1) Comparison of credits at time of graduation for randomly chosen accounting and economics students:
I1 = 149, s = 2.8, n = 12, 72 = 146, s2 = 2.7, ng = 17, a = .05. right-tailed test.
(Negative values should be Indicated by a mlnus sign. Round down your d.f. answer to the nearest whole number and other
answers to 4 decimal places. Do not use "qulck" rules for degrees of freedom.)
d.f.
t-calculated
p-value
t-critical
(c-2) Based on the above data choose the correct decision.
O Reject the null hypothesis
O Do not reject the null hypothesis
Transcribed Image Text:Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel.
(a-1) Comparison of GPA for randomly chosen college juniors and seniors:
I1 = 4.5, s = .20, n = 15, Eg = 4.9. s, = .30. n, = 15, a = .025, left-tailed test.
(Negatlve values should be Indicated bya mlnus sign. Round down your d.f. answer to the nearest whole number and other
answers to 4 decimal places. Do not use "qulck" rules for degrees of freedom.)
d.f.
t-calculated
p-value
t-critical
(a-2) Based on the above data choose the correct decision.
O Do not reject the null hypothesis
O Reject the null hypothesis
(b-1) Comparison of average commute miles for randomly chosen students at two community colleges:
I1 = 23, s, = 5. n= 22. 2 = 32. s2 = 7. n2 = 19, a = .05, two-tailed test.
(Negative values should be Indicated by a mlnus sign. Round down your d.f. answer to the nearest whole number and other
answers to 4 decimal places. Do not use "qulck" rules for degrees of freedom.)
d.f.
t-calculated
p-value
t-critical
+/-
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