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Name: 1. The OutputViewerwill return a table. The test statistic(z-score)is
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Description: 1. The OutputViewerwill return a table. The test statistic(z-score)is labeled “t”, and the p-value is labeled “Sig (2-tailed).” Note that this is a one-sided test (because the alternative hypothesis is a greater than hypothesis), and that SPSS gives

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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1. The OutputViewerwill return a table. The test statistic(z-score)is labeled “t”, and the p-value is labeled “Sig (2-tailed).” Note that this is a one-sided test (because the alternative hypothesis is a greater than hypothesis), and that SPSS gives the two-sided p-value. How do we find the one-sided p-value from the given two-sided-value? Report the test statistic and the correct p-value.

2. Verify your test statistic(using summary statistics from a previous step, hint: descriptives)and p-value using an equation and a probability table.

3. At the .05 significance level, what decision do you make?

T-Test
One-Sample Statistics
Mean
Std. Deviation Std. Error Mean
FBfriends
40
358.40
181.796
28.745
One-Sample Test
Test Value = 300
95% Confidence Interval of the
Difference
Mean
df
Sig. (2-tailed)
Difference
Lower
Upper
FBfriends
2.032
39
.049
58.400
.26
116.54

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