Let Y, represent the ith normal population with unknown mean #, and unknown variance of for i=1,2. Consider independent random samples, Ya, Y.,Yin, of size n,, from the ith population with sample mean Y, and sample variance S? = Σj=1(Yij - Y;)². (a) What is the distribution of Y,? State all the relevant parameters of the distribution. (b) Find a level a test (that is, the rejection region) for testing Ho : H4; = Hio versus Ha: Pio when of is unknown and n, is small. (c) In the context of the test in part (b), state the Type I error and give a probability statement for the level of significance, a.
Let Y, represent the ith normal population with unknown mean #, and unknown variance of for i=1,2. Consider independent random samples, Ya, Y.,Yin, of size n,, from the ith population with sample mean Y, and sample variance S? = Σj=1(Yij - Y;)². (a) What is the distribution of Y,? State all the relevant parameters of the distribution. (b) Find a level a test (that is, the rejection region) for testing Ho : H4; = Hio versus Ha: Pio when of is unknown and n, is small. (c) In the context of the test in part (b), state the Type I error and give a probability statement for the level of significance, a.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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![Let Y, represent the ith normal population with unknown mean , and unknown variance
of for i=1,2. Consider independent random samples, Ya, Y2.
the ith population with sample mean Y, and sample variance S² =
Yin, of size n,, from
(Y-₁².
(a) What is the distribution of Y,? State all the relevant parameters of the distribution.
(b) Find a level a test (that is, the rejection region) for testing Ho : 4 = o versus
Ha i Pio when of is unknown and n, is small.
:
(e) In the context of the test in part (b), state the Type I error and give a probability
statement for the level of significance, a.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1488de45-ffe6-488c-9535-0eb4dd2a544b%2F8a64edf9-b11e-4a2c-bad0-7d969692f377%2Fo9bkqn6_processed.png&w=3840&q=75)
Transcribed Image Text:Let Y, represent the ith normal population with unknown mean , and unknown variance
of for i=1,2. Consider independent random samples, Ya, Y2.
the ith population with sample mean Y, and sample variance S² =
Yin, of size n,, from
(Y-₁².
(a) What is the distribution of Y,? State all the relevant parameters of the distribution.
(b) Find a level a test (that is, the rejection region) for testing Ho : 4 = o versus
Ha i Pio when of is unknown and n, is small.
:
(e) In the context of the test in part (b), state the Type I error and give a probability
statement for the level of significance, a.
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