Researchers wanted to investigate the relationship between employment and accommodation capacity in the European travel and tourism
Question:
a. Construct a scatter plot of the number of jobs generated in the travel and tourism industry in 2012 (Y) and the number of establishments that provide overnight accommodation for tourists (X).
b. Fit a quadratic regression model to predict the number of jobs generated and state the quadratic regression equation.
c. Predict the mean number of jobs generated in the travel and tourism industry for a country with 3,000 establishments that provide overnight accommodation for tourists.
d. Perform a residual analysis on the results and determine whether the regression model is valid.
e. At the 0.05 level of significance, is there a significant quadratic relationship between the number of jobs generated in the travel and tourism industry in 2012 and the number of establishments that provide overnight accommodation for tourists?
f. What is the p-value in (e)? Interpret its meaning.
g. At the 0.05 level of significance, determine whether the quadratic model is a better fit than the linear model.
h. What is the p-value in (g)? Interpret its meaning.
i. Interpret the meaning of the coefficient of multiple determination.
j. Compute the adjusted r2.
k. What conclusions can you reach concerning the relationship between the number of jobs generated in the travel and tourism industry in 2012 and the number of establishments that provide overnight accommodation for tourists?
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Related Book For
Basic Business Statistics
ISBN: 9780321870025
13th Edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
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