Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. x1=12, s1=2.1, n1=18, x2=15, s2=2.2, n2=18 a. Two-tailed test, α=0.05 b. 95% confidence interval a. First, what are the correct hypotheses for a two-tailed test? H0:μ1=μ2 Ha:μ1≠μ2 Next, compute the test statistic. t=_________________ (Round to three decimal places as needed.)
Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. x1=12, s1=2.1, n1=18, x2=15, s2=2.2, n2=18 a. Two-tailed test, α=0.05 b. 95% confidence interval a. First, what are the correct hypotheses for a two-tailed test? H0:μ1=μ2 Ha:μ1≠μ2 Next, compute the test statistic. t=_________________ (Round to three decimal places as needed.)
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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Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval.
x1=12,
s1=2.1,
n1=18,
x2=15,
s2=2.2,
n2=18
a. Two-tailed test, α=0.05
b. 95% confidence interval
a. First, what are the correct hypotheses for a two-tailed test?
H0:μ1=μ2 Ha:μ1≠μ2
Next, compute the test statistic.
t=_________________
(Round to three decimal places as needed.)Expert Solution
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