5
QuizMultiple Choice

Regression Analysis

Question 5 • EAP-Algebra Functions and Data Analysis B

Yuki collects data on the average number of sunlight hours per month. She determines the regression model y = –2.8sin(0.65x + 120.2) + 12.2 to represent the data, where x = 1 represents January.Based on the regression model, what is the best estimate for the average number of sunlight hours she can expect each day in June?

Answer
A
9.4
B
9.9
C
11
D
15
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