Elementary Statistics: Picturing the World (6th Edition)
6th Edition
ISBN: 9780321911216
Author: Ron Larson, Betsy Farber
Publisher: PEARSON
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Textbook Question
Chapter 7.5, Problem 11E
Graphical Analysis In Exercises 13 and 14, state whether each standardized test statistic χ2 allows you to reject the null hypothesis. Explain.
13. (a) χ2 = 2.091
(b) χ2 = 0
(c) χ2 = 1.086
(d) χ2 = 6.3471
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State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain.
(a) t =1.667
(b) t =0
(c) t= -1.552
(d) t= -1.705
(look at image below)
State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain.
(a) t=1.566
(b) t=0
(c) t=1.411
(d)t= -1.528
*********picture attached*********
(a) For t=1.566, should you reject or fail to reject the null hypothesis?
A.
Reject
H0,
because
t>1.504.
B.
Reject
H0,
because
t<1.504.
C.
Fail to reject
H0,
because
t>1.504.
D.
Fail to reject
H0,
because
t<1.504.
(b) For t=0, should you reject or fail to reject the null hypothesis?
A.
Fail to reject
H0,
because
t<1.504.
B.
Reject
H0,
because
t<1.504.
C.
Fail to reject
H0,
because
t>1.504.
D.
Reject
H0,
because
t>1.504.
(c) For t=1.411, should you reject or fail to reject the null hypothesis?
A.
Fail to reject
H0,
because
t>1.504.
B.
Reject
H0,
because
t>1.504.
C.
Fail to reject
H0,
because
t<1.504.
D.
Reject
H0,
because
t<1.504.
(d) For t=−1.528,should you reject or fail to reject the null…
Explain please
Chapter 7 Solutions
Elementary Statistics: Picturing the World (6th Edition)
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