d. Make a sketch of the distribution indicating the test statistic and p. e. Compute the appropriate statistical test and report the test statistics and associated p-value. | In the context of the problem, write a conclusion to the study and substantiate your f.
d. Make a sketch of the distribution indicating the test statistic and p. e. Compute the appropriate statistical test and report the test statistics and associated p-value. | In the context of the problem, write a conclusion to the study and substantiate your f.
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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Transcribed Image Text:The State Superintendent of Schools
consistently states that the average salary of all
substitute teachers in every school district is at
least $60 per day. The president of the teachers'
union believes that the average salary is less
than $60 per day. So, she sample eight school
districts to help test her claim.
The daily salaries she found for the districts were
$60
$56
$60
$55
$70
$55
$60
and, $55
a. What statistical test should be performed?
Should this test be one sided or two?
b. Which condition has to be satisfied for the test
that we did not have to check for the test on
proportions?
c. Write the two hypotheses for the problem.
d. Make a sketch of the distribution indicating the
test statistic and p.
e. Compute the appropriate statistical test and
report the test statistics and associated p-value.
|
In the context of the problem, write a
conclusion to the study and substantiate your
conclusion using statistical arguments. Use an
alpha level of 0.05
f.
g. Find a 95% confidence interval for the true
daily salary based on the data.
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