The one-sample i statistic for testingHo : µ = 0Ha : µ > 0from a sample of n = 20 observations has the value t = 2.10.(a) What are the degrees of freedom for this statistic?O 16O 17O 19O 15 (b) Give the two critical values t* from Table C that bracket t. What are the one-sided P-values for these two entries?O t* = 1.729 with P-value = 0.05, and t* = 1.84 with P-value = 0.025.O* = 2.078 with P-value = 0.10, and r* = 2.131 with P-value = 0.05.O* = 2.093 with P-value = 0.025, and t* = 2.205 with P-value = 0.02.%3DO t* = 1.761 with P-value = 0.10, and t* = 2.145 with P-value = 0.05.(c) Is the value i = 2.10 significant at the 10% level? Is it significant at the 1% level?The value t = 2.10 is significant at the 10% level but not at the 1% level.The value t = 2.10 is not significant neither at the 10% level nor at the 1% level.The value t = 2.10 is significant both at the 10% level and at the 1% level.The value t = 2.10 is significant at the 1% level but not at the 10% level.

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The one-sample t statistic for testing Ho : µ = 0 Ha : u > 0 from a sample of n = 20 observations has the value t = 2.10. (a) What are the degrees of freedom for this statistic? O 16 O 17 O 19 15

MATLAB: An Introduction with Applications

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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Question

The one-sample i statistic for testing
Ho : µ = 0
Ha : µ > 0
from a sample of n = 20 observations has the value t = 2.10.
(a) What are the degrees of freedom for this statistic?
O 16
O 17
O 19
O 15

(b) Give the two critical values t* from Table C that bracket t. What are the one-sided P-values for these two entries?
O t* = 1.729 with P-value = 0.05, and t* = 1.84 with P-value = 0.025.
O* = 2.078 with P-value = 0.10, and r* = 2.131 with P-value = 0.05.
O* = 2.093 with P-value = 0.025, and t* = 2.205 with P-value = 0.02.
%3D
O t* = 1.761 with P-value = 0.10, and t* = 2.145 with P-value = 0.05.
(c) Is the value i = 2.10 significant at the 10% level? Is it significant at the 1% level?
The value t = 2.10 is significant at the 10% level but not at the 1% level.
The value t = 2.10 is not significant neither at the 10% level nor at the 1% level.
The value t = 2.10 is significant both at the 10% level and at the 1% level.
The value t = 2.10 is significant at the 1% level but not at the 10% level.

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