How much does novelty influence the choice of vacation destination? Petrick (2002) reports results of a survey in which 448 golf vacationers completed a postal survey after their stay at a golf resort. The questionnaire included thirteen items on aspects of 'novelty' regarding golf vacations: four assessing 'thrill', and three each on 'change from routine', 'boredom alleviation', and 'surprise'. Each item required a response on a Likert scale from 1 to 5, where a higher number indicated a greater novelty value. Certain research hypotheses related to how factors of novelty would be predicted by four explanatory variables: the number of golf rounds played per year (X1), the lifetime total number of golf vacations taken (X2), the number of years playing golf (X3), and the mean golf score (X4). Part a) We consider first the response variable of the total questionnaire score on the 'change from routine' responses (Y)(Y). A model of the form Y=β0+β1X1+β2X2+β3X3+β4X4+ε is fitted to the data, where ε is an error term. If the above model is acceptable for the data, which of the following is a correct interpretation of β3? A. For vacationers with the average number of rounds per year, the average number of lifetime golf vacations, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. B. The average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. C. For vacationers with the average number of rounds per year, the average number of years playing golf, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every increase by one in the lifetime number of golf vacations. D. For vacationers with a common number of rounds per year, a common number of lifetime golf vacations, and of the same golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. Part b) The least squares estimate of β3 from the fitted model was -0.167. A test of the null hypothesis H0:β3=0 against the alternative hypothesis HA:β3<0 gives a P-value of 0.019. Assuming a t distribution was used to find the P-value, find the estimated standard deviation of the estimate of β3 (to three decimal places). PART C) If testing at the 5% significance level, which of the following is the best inference to draw from the above test: A. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf with a negative coefficient in favour of the alternative that there is no linear dependence. B. Those vacationers playing golf for more years are less likely to seek change from their normal routine in their golf vacation. C. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient. D. There is evidence to reject the hypothesis that total 'change from routine' score does not depend linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient.

How much does novelty influence the choice of vacation destination? Petrick (2002) reports results of a survey in which 448 golf vacationers completed a postal survey after their stay at a golf resort. The questionnaire included thirteen items on aspects of 'novelty' regarding golf vacations: four assessing 'thrill', and three each on 'change from routine', 'boredom alleviation', and 'surprise'. Each item required a response on a Likert scale from 1 to 5, where a higher number indicated a greater novelty value. Certain research hypotheses related to how factors of novelty would be predicted by four explanatory variables: the number of golf rounds played per year (X1), the lifetime total number of golf vacations taken (X2), the number of years playing golf (X3), and the mean golf score (X4). Part a) We consider first the response variable of the total questionnaire score on the 'change from routine' responses (Y)(Y). A model of the form Y=β0+β1X1+β2X2+β3X3+β4X4+ε is fitted to the data, where ε is an error term. If the above model is acceptable for the data, which of the following is a correct interpretation of β3? A. For vacationers with the average number of rounds per year, the average number of lifetime golf vacations, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. B. The average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. C. For vacationers with the average number of rounds per year, the average number of years playing golf, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every increase by one in the lifetime number of golf vacations. D. For vacationers with a common number of rounds per year, a common number of lifetime golf vacations, and of the same golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf. Part b) The least squares estimate of β3 from the fitted model was -0.167. A test of the null hypothesis H0:β3=0 against the alternative hypothesis HA:β3<0 gives a P-value of 0.019. Assuming a t distribution was used to find the P-value, find the estimated standard deviation of the estimate of β3 (to three decimal places). PART C) If testing at the 5% significance level, which of the following is the best inference to draw from the above test: A. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf with a negative coefficient in favour of the alternative that there is no linear dependence. B. Those vacationers playing golf for more years are less likely to seek change from their normal routine in their golf vacation. C. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient. D. There is evidence to reject the hypothesis that total 'change from routine' score does not depend linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient.

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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Question

Part a)
We consider first the response variable of the total questionnaire score on the 'change from routine' responses (Y)(Y). A model of the form

Y=β0+β1X1+β2X2+β3X3+β4X4+ε

is fitted to the data, where ε is an error term. If the above model is acceptable for the data, which of the following is a correct interpretation of β3?

A. For vacationers with the average number of rounds per year, the average number of lifetime golf vacations, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf.
B. The average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf.
C. For vacationers with the average number of rounds per year, the average number of years playing golf, and of mean golf ability, the average total 'change from routine' score increases by β3 units for every increase by one in the lifetime number of golf vacations.
D. For vacationers with a common number of rounds per year, a common number of lifetime golf vacations, and of the same golf ability, the average total 'change from routine' score increases by β3 units for every one year increase in the number of years playing golf.

Part b)
The least squares estimate of β3 from the fitted model was -0.167. A test of the null hypothesis H0:β3=0 against the alternative hypothesis HA:β3<0 gives a P-value of 0.019. Assuming a t distribution was used to find the P-value, find the estimated standard deviation of the estimate of β3 (to three decimal places).

PART C) If testing at the 5% significance level, which of the following is the best inference to draw from the above test:

A. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf with a negative coefficient in favour of the alternative that there is no linear dependence.
B. Those vacationers playing golf for more years are less likely to seek change from their normal routine in their golf vacation.
C. There is evidence to reject the hypothesis that total 'change from routine' score depends linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient.
D. There is evidence to reject the hypothesis that total 'change from routine' score does not depend linearly on the number of years playing golf in favour of the alternative that there is a linear dependence with a negative coefficient.

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