betw en the sample mean and its population mean? That is, find the standard error for M. (Note: In a hypothesis test, this value is the denominator of the t statistic.) C. Based on the sample data, does the treatment have a significant effect? Use a two-tailed test with o = .05. 11. To evaluate the effect of a treatment, a sample is obtained from a population with a mean of and the treatment is administered to the individuals in 30, the sample. After treatment, the sample mean is found to be M 31.3 with a standard deviation of o 3. a. If the sample consists of n 16 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with .05? 36 individuals, are b. If the sample consists of n the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with 05? c. Comparing your answer for parts a and b, how does the size of the sample influence the outcome of a hypothesis test? 12. To evaluate the effect of a treatment, a sample of n 8 is obtained from a population with a mean of and the treatment is administered to the individuals in 40,

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Number 11

betw
en the sample mean and its
population mean? That is, find the standard error
for M. (Note: In a hypothesis test, this value is the
denominator of the t statistic.)
C. Based on the sample data, does the treatment have a
significant effect? Use a two-tailed test with o = .05.
11. To evaluate the effect of a treatment, a sample is
obtained from a population with a mean of
and the treatment is administered to the individuals in
30,
the sample. After treatment, the sample mean is found
to be M 31.3 with a standard deviation of o 3.
a. If the sample consists of n 16 individuals, are
the data sufficient to conclude that the treatment
has a significant effect using a two-tailed test with
.05?
36 individuals, are
b. If the sample consists of n
the data sufficient to conclude that the treatment
has a significant effect using a two-tailed test with
05?
c. Comparing your answer for parts a and b, how
does the size of the sample influence the outcome
of a hypothesis test?
12. To evaluate the effect of a treatment, a sample of n 8
is obtained from a population with a mean of
and the treatment is administered to the individuals in
40,
Transcribed Image Text:betw en the sample mean and its population mean? That is, find the standard error for M. (Note: In a hypothesis test, this value is the denominator of the t statistic.) C. Based on the sample data, does the treatment have a significant effect? Use a two-tailed test with o = .05. 11. To evaluate the effect of a treatment, a sample is obtained from a population with a mean of and the treatment is administered to the individuals in 30, the sample. After treatment, the sample mean is found to be M 31.3 with a standard deviation of o 3. a. If the sample consists of n 16 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with .05? 36 individuals, are b. If the sample consists of n the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with 05? c. Comparing your answer for parts a and b, how does the size of the sample influence the outcome of a hypothesis test? 12. To evaluate the effect of a treatment, a sample of n 8 is obtained from a population with a mean of and the treatment is administered to the individuals in 40,
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