10. A random sample is selected from a normal popula- tion with a mean of u 40 and a standard deviation of o 6. After a treatment is administered to the %3D individuals in the sample, the sample mean is found to be M 37. a. If the sample consists of n 36 scores, is the sample mean sufficient to conclude that the treat- ment has a significant effect? Use a two-tailed test with a = %3D b. If the sample consists of n-9 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? Use a two-tailed test with
10. A random sample is selected from a normal popula- tion with a mean of u 40 and a standard deviation of o 6. After a treatment is administered to the %3D individuals in the sample, the sample mean is found to be M 37. a. If the sample consists of n 36 scores, is the sample mean sufficient to conclude that the treat- ment has a significant effect? Use a two-tailed test with a = %3D b. If the sample consists of n-9 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? Use a two-tailed test with
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:ditional class? Use a two-tailed test with a =.05.
b. If the population standard deviation is o =
sample sufficient to demonstrate a significant differ-
ence? Again, use a two-tailed test with a = .05.
c. Comparing your answers for parts a and b, explain
how the magnitude of the standard deviation influ-
ences the outcome of a hypothesis test.
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tion with a mean of u
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descrip
Use a o
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individuals in the sample, the sample mean is found to
be M 37.
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a. If the sample consists of n - 36 scores, is the
sample mean sufficient to conclude that the treat-
ment has a significant effect? Use a two-tailed test
with a .05.
b. If the sample consists of n 9 scores, is the sample
mean sufficient to conclude that the treatment has
a significant effect? Use a two-tailed test with
a =.05.
of o =
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mean
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c. Comparing your answers for parts a and b, explain
how the size of the sample influences the outcome
of a hypothesis test.
11. A random sample of n- 16 scores is selected from
a normal population with a mean of p 50. After
a treatment is administered to the individuals in the
sample. the sample mean is found to be AM 54.
a. If the population standard deviation isu 8. is the
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