Page 197 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

8. Is asthma dependent on the air temperature? The following
equation represents the linear relationship between air
temperature and asthma rating (1=very bad and 5=very
good):
Y (predicted) = -18.40 + 0.018X. What is the estimated
increase in asthma rating when air temperature = 50
a. -19.30
b. -17.50
c. +19.30
d. +0.018

The Theory and Applications of Statistical Inferences 181