Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A pet association claims that the mean annual costs of food for dogs and cats are the same. The results for samples for the two
A pet association claims that the mean annual costs of food for dogs and cats are the same. The 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 variances are equal. Assume that the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e). Dogs Cats *, =$256 X2 = $233 $1 = $31 $2 = $28 ng = 16 n2 = 19 (a) Identify the claim and state Ho and Ha. What is the claim? O A. "The mean annual cost of food for cats is greater than the cost for dogs." O B. "The mean annual cost of food for dogs is greater than the cost for cats." O C. "The mean annual costs of food for dogs and cats are not equal." D. "The mean annual costs of food for dogs and cats are equal." The null hypothesis, Ho, is 1 = H2 The alternative hypothesis, Ha, is Hy # H2. The null hypothesis is the claim. (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) A. The rejection regions are t 1.70 O B. The rejection region is t> O C. The rejection region is
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started