9
QuizMultiple Choice

Regression Analysis

Question 9 • EAP-Algebra Functions and Data Analysis B

Review the table of values showing the number of days each year from 1990 to 1997 that air quality in San Diego did not meet federal air quality standards.Years since 1989Number of Days139227319414596127281

Answer
A
power model; y = 41.21x–0.86
B
exponential model; y = 54.97(0.71)x
C
logarithmic model; y = 39.14 – 17.93 ln x
D
quadratic model; y = 0.60x2 – 10.38x + 46.73
Previous
Next