A. What are the null hypothesis and the alternative hypothesis? B. What are the critical value(s) (make sure to indicate what degrees of freedom were used to determine this)? C. Use SPSS to calculate your test statistic.

A. What are the null hypothesis and the alternative hypothesis? B. What are the critical value(s) (make sure to indicate what degrees of freedom were used to determine this)? C. Use SPSS to calculate your test statistic.

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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Concept explainers

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.

Question

9:55 1
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PSYCH 203 Online--H...
Chapter 7: 1, 2, 3, 4
Chapter 8: 2, 3, 4, 22
Chapter 9: 1, 2, 4, 5, 6, 18, 19
Chapter 10: 1, 2, 13 (also compute a 99% CI), 14 (also
compute Cohen's d and r'), 18
Chapter 11: 1, 13 (also compute a 95% CI, Cohen's d, and
r), 20 (also compute a 95% CI, Cohen's d, and r' for both
a. and b.), 23, 24
II. Students were asked to indicate their height in feet. Assume
that the following random sample comes from a population that
is normally distributed:
6.00 6.17 5.50 5.58 5.67 6.00 5.25
5.75 5.17 6
.08 5.25 5.75 5.75
5.83 6.33 5.58 5.83 5.00
5.50
6.00
Does the above sample come from a population with u = 5.50
(use a = .05, two-tailed)?
A. What are the null hypothesis and the alternative
hypothesis?
B. What are the critical value(s) (make sure to indicate
what degrees of freedom were used to determine this)?
C. Use SPSS to calculate your test statistic.
D. Explain why you would or would not reject the null
hypothesis.
E. Use SPSS to calculate a 95% CI for the mean height of
students.
III. Statistics students were asked to indicate their political
orientation (republican or democrat) and then rated their degree
of conservativeness (1 = not at all, 7 = extremely). Assume that
the following two random samples of republicans' and
democrats' conservativeness ratings come from normally
1 1... .
1..
« Pr...us
36
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