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2 of (Spend no more than 35 minutes on this question) When testing a univariate hypothesis which uses interval or ratio data: a. Which


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2 of (Spend no more than 35 minutes on this question) When testing a univariate hypothesis which uses interval or ratio data: a. Which statistical analysis/type of test is used to test the hypothesis, and what is the test trying to determine? (3 marks) b. What does a low p-value mean for this test? (2 marks) c. What happens if the confidence level decreases from 95% to 90%? (3 marks) We now have a different hypothesis, it is univariate and we want to determine if there is an association between the variables using cross-tab. Null hypothesis states there is no difference between the variables. d. What level of scale measurement is being used (ratio, nominal, etc.)? How do you know? (2 marks) e. What hypothesis test should be used? How do you know? (2 marks) f. You test the null hypothesis and the result is a value smaller than the critical value; are the variables associated? Is the null hypothesis accepted or rejected? (3 marks) 7 Ff T B APR 18 == tv 5 Fir Tir on 41 ed on out of For each of the situations (a-c) provide a detailed and in-depth response for each of the questions (1-3). You must answer all 3 questions for each of the 3 situations (ie 9 answers for a total of 15 marks), spend no longer than 35 minutes on this question. Situations: a. The manufacturer of flight simulators and other pilot training equipment wishes to forecast sales volume for the next five years. b. The Coast Guard is trying to understand time spent at the beach and sunscreen use c. A food company researcher wishes to know what types of food are carried in brown-bag lunches to learn if the company can capitalize on this phenomenon. Questions: 1. What type of research design would you recommend - why? (2 marks per situation) 2. What deliverable is appropriate for the situation - why? (2 marks per situation) 3. Provide a hypothesis statement. (1 mark per situation) 1 Ff T:- B I !!! tv

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