A pet association claims that the mean annual cost of food for dogs and cats are the same. variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. results for samples for the two types of pets are shown below. At a = 0.10, can you reject the pet association's claim? Assume the population Dogs Cats X1 = $207 X2 = $172 $1 = $35 $2 = $31 n2 = 8 Which is the correct claim below? O A. "The mean annual costs of food for dogs and cats are not equal." O B. "The mean annual cost of food for dogs is greater than the cost for cats." OC. "The mean annual costs of food for dogs and cats are equal." O D. "The mean annual cost of food for cats is greater than the cost for dogs." What are Ho and H,? The null hypothesis, Ho, is V The alternative hypothesis, Ha, is Which hypothesis is the claim? O The null hypothesis, Ho The alternative hypothesis, H.
A pet association claims that the mean annual cost of food for dogs and cats are the same. variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. results for samples for the two types of pets are shown below. At a = 0.10, can you reject the pet association's claim? Assume the population Dogs Cats X1 = $207 X2 = $172 $1 = $35 $2 = $31 n2 = 8 Which is the correct claim below? O A. "The mean annual costs of food for dogs and cats are not equal." O B. "The mean annual cost of food for dogs is greater than the cost for cats." OC. "The mean annual costs of food for dogs and cats are equal." O D. "The mean annual cost of food for cats is greater than the cost for dogs." What are Ho and H,? The null hypothesis, Ho, is V The alternative hypothesis, Ha, is Which hypothesis is the claim? O The null hypothesis, Ho The alternative hypothesis, H.
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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Below is the rest of the questions to the problem because I wasnt able to fit it in with the images.
a. The null hypothesis, H0, is U1 = U2 / U1 greater than or equal to U2 / U1 less than or equal to U2 The alternative hypothesis, Ha, is U1 not equal to U2 / U1 greater than U2 / U1 less than U2.
C. find the standardized test statistic
t = ____ (Type an integer or decimal rounded to three decimal places as needed)
(d) Decide whether to reject or fail to reject the null hypothesis.
Fail to reject / reject the null hypothesis.
(e) Interpret the decision in the context of the original claim.
At the 10% significance level, there is / there is not enough evidence to reject the claim that the mean annual costs of food for dogs and cats are the same.
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