arrow_forward Question 4. A random sample of n 1 equals 125individuals results in x 1 equals 40 successes. An independent sample of n 2 equals 160 individuals results in x 2 equals 60 successes. Does this represent sufficient evidence to conclude that p 1 less than p 2p at the α=0.01level of significance? Determine the null and alternative hypotheses. 5.. The data table represents the measure of a variable before and after a treatment. Does the sample evidence suggest that the treatment is effective in decreasing the value of the response variable? Use the α=0.01 level of significance. Complete parts (a) through (d). Individual 1 2 3 4 5 Before comma x Subscript iBefore, xi 4141 3232 5353 4747 3737 After comma y Subscript iAfter, yi 3636 3535 4848 4747 3333 Determine the null and alternative hypotheses. Let mu Subscript d Baseline equals mu Subscript x Baseline minus mu Subscript yμd=μx−μy. 4... A student wants to determine if there is a difference in the pricing between two stores for health and beauty supplies. She recorded prices from both stores for each of 10 different products. Assuming that the conditions for conducting the test are satisfied, determine if there is a price difference between the two stores. Use the alphaαequals=0.0050.005 level of significance. Complete parts (a) through (d) below. A B C D E F G H I J Store 1 5.955.95 7.467.46 3.763.76 1.721.72 1.761.76 2.812.81 4.754.75 3.143.14 2.942.94 3.773.77 Store 2 5.925.92 7.947.94 3.993.99 1.781.78 1.911.91 2.432.43 4.714.71 3.783.78 2.922.92 3.683.68 Determine the null and alternative hypotheses.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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4. A random sample of n 1 equals 125
individuals results in x 1 equals 40 successes. An independent sample of

n 2 equals 160 individuals results in x 2 equals 60

successes. Does this represent sufficient evidence to conclude that

p 1 less than p 2p at the α=0.01level of significance?

Determine the null and alternative hypotheses.

5..

The data table represents the measure of a variable before and after a treatment. Does the sample evidence suggest that the treatment is effective in decreasing the value of the response variable? Use the

α=0.01

level of significance. Complete parts (a) through

(d).


Individual	1	2	3	4	5
Before comma x Subscript iBefore, xi	4141	3232	5353	4747	3737
After comma y Subscript iAfter, yi	3636	3535	4848	4747	3333

Determine the null and alternative hypotheses.

Let mu Subscript d Baseline equals mu Subscript x Baseline minus mu Subscript yμd=μx−μy.

4...

A student wants to determine if there is a difference in the pricing between two stores for health and beauty supplies. She recorded prices from both stores for each of 10 different products. Assuming that the conditions for conducting the test are satisfied, determine if there is a price difference between the two stores. Use the

alphaαequals=0.0050.005

level of significance. Complete parts (a) through (d) below.


	A	B	C	D	E	F	G	H	I	J
Store 1	5.955.95	7.467.46	3.763.76	1.721.72	1.761.76	2.812.81	4.754.75	3.143.14	2.942.94	3.773.77
Store 2	5.925.92	7.947.94	3.993.99	1.781.78	1.911.91	2.432.43	4.714.71	3.783.78	2.922.92	3.683.68

Determine the null and alternative hypotheses.

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