spi 5. Find the t values that form the boundaries of the criti- cal region for a two-tailed test with a = .05 for each 10 of the following sample sizes: %3D а. п — 4 %3D b. n=D15 C. n=24 6. Find the t value that forms the boundary of the critical region in the right-hand tail for a one-tailed test with a = .01 for each of the following sample sizes. а. п 3 10 %3D b. n = 20 %3D 1. The following sample of n = 4 scores was obtained from a population with unknown parameters. Scores: 2, 2, 6, 2 a. Compute the sample mean and standard deviation. (Note that these are descriptive values that sum- marize the sample data.) b. Compute the estimated standard error for M. (Note that this is an inferential value that describes how accurately the sample mean represents the unknown population mean.) %3D 8. The following sample was obtained from a population with unknown parameters. Scores: 13, 7, 6, 12, 0, 4 a. Compute the sample mean and standard deviation. (Note that these are descriptive values that sum- marize the sample data.) b. Compute the estimated standard error for M. (Note that this is an inferential value that describes how accurately the sample mean represents the unknown population mean.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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5. Find the t values that form the boundaries of the criti-
cal region for a two-tailed test with a = .05 for each
10
of the following sample sizes:
%3D
а. п — 4
%3D
b. n=D15
C. n=24
6. Find the t value that forms the boundary of the critical
region in the right-hand tail for a one-tailed test with
a = .01 for each of the following sample sizes.
а. п 3 10
%3D
b. n = 20
%3D
1. The following sample of n = 4 scores was obtained
from a population with unknown parameters.
Scores: 2, 2, 6, 2
a. Compute the sample mean and standard deviation.
(Note that these are descriptive values that sum-
marize the sample data.)
b. Compute the estimated standard error for M.
(Note that this is an inferential value that describes
how accurately the sample mean represents the
unknown population mean.)
%3D
8. The following sample was obtained from a population
with unknown parameters.
Scores: 13, 7, 6, 12, 0, 4
a. Compute the sample mean and standard deviation.
(Note that these are descriptive values that sum-
marize the sample data.)
b. Compute the estimated standard error for M.
(Note that this is an inferential value that describes
how accurately the sample mean represents the
unknown population mean.)
Transcribed Image Text:spi 5. Find the t values that form the boundaries of the criti- cal region for a two-tailed test with a = .05 for each 10 of the following sample sizes: %3D а. п — 4 %3D b. n=D15 C. n=24 6. Find the t value that forms the boundary of the critical region in the right-hand tail for a one-tailed test with a = .01 for each of the following sample sizes. а. п 3 10 %3D b. n = 20 %3D 1. The following sample of n = 4 scores was obtained from a population with unknown parameters. Scores: 2, 2, 6, 2 a. Compute the sample mean and standard deviation. (Note that these are descriptive values that sum- marize the sample data.) b. Compute the estimated standard error for M. (Note that this is an inferential value that describes how accurately the sample mean represents the unknown population mean.) %3D 8. The following sample was obtained from a population with unknown parameters. Scores: 13, 7, 6, 12, 0, 4 a. Compute the sample mean and standard deviation. (Note that these are descriptive values that sum- marize the sample data.) b. Compute the estimated standard error for M. (Note that this is an inferential value that describes how accurately the sample mean represents the unknown population mean.)
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