2. For a two-tailed test with variance unknown, n= 19, and a = 0.05, what is the critical value? A. ±2.092 B. +2.101 C. +2.145 D. ±2.878 3. In a sample n=100 selected from a normal population = 56 and s = 12, what statistical test is applicable? A. t-test B. z-test C. left-tailed test D. two-tailed test

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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2. For a two-tailed test with variance unknown, n= 19, and a = 0.05, what
is the critical value?
A. ±2.092
B. +2.101
C. ±2.145
D. ±2.878
3. In a sample n=100 selected from a normal population = 56 and s = 12,
what statistical test is applicable?
O A. t-test
B. z-test
C. left-tailed test
D. two-tailed test
Transcribed Image Text:2. For a two-tailed test with variance unknown, n= 19, and a = 0.05, what is the critical value? A. ±2.092 B. +2.101 C. ±2.145 D. ±2.878 3. In a sample n=100 selected from a normal population = 56 and s = 12, what statistical test is applicable? O A. t-test B. z-test C. left-tailed test D. two-tailed test
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