Comprehension Passage
Read the paragraph given below and answer the questions given below.
A researcher wanted to predict academic achievement using Intelligence Test-A (IT-A), Intelligence Test-B (IT-B), type of school (rural/urban), and interpersonal skills as predictors. He used multiple regression analysis. He collected data on 200 students on all variables. OLS estimator was also used. F=8.9, P<.01 for the overall model. IT-B was not a significant predictor in the multiple regression analysis. The fit test indicated equivariance.
Model
R2 = 0.64 and Adjusted
R2 = 0.59 Both intelligence tests are significantly correlated with the criterion variable and each other.
What is indicated by R2 in the passage?
1
64% variance is explained
2
80% variance is explained
3
32% variance is explained
4
36% variance is explained