Suppose there is 1 dependent variable (dissolved oxygen, Y) and 3 independent variables (water temp X1, depth X2, and hardness of water X3). Below is the result of the multiple linear regression.Which of the three independent variable(s) is (are) significant predictor(s) of dissolved oxygen?  water temperature only since its p-value is less than 0.05 level of significance       intercept only since it has the greatest t statistic       depth and hardness since their p-values are greater than 0.05 level of significance       water temperature and intercept since their p-values are less than 0.05 level of significance

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
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Suppose there is 1 dependent variable (dissolved oxygen, Y) and 3 independent variables (water temp X1, depth X2, and hardness of water X3). Below is the result of the multiple linear regression.Which of the three independent variable(s) is (are) significant predictor(s) of dissolved oxygen? 

water temperature only since its p-value is less than 0.05 level of significance
 
 
 
intercept only since it has the greatest t statistic
 
 
 
depth and hardness since their p-values are greater than 0.05 level of significance
 
 
 
water temperature and intercept since their p-values are less than 0.05 level of significance
Standard
Coefficients
Error
t Stat
p-value
Intercept
24.84
4.36
5.69
0.00
Water Temperature (C)
-1.17
0.37
-3.20
0.02
Depth (feet)
-0.15
0.24
-0.61
0.56
Hardness as mg/L CaCO3
-0.04
0.04
-0.95
0.37
Transcribed Image Text:Standard Coefficients Error t Stat p-value Intercept 24.84 4.36 5.69 0.00 Water Temperature (C) -1.17 0.37 -3.20 0.02 Depth (feet) -0.15 0.24 -0.61 0.56 Hardness as mg/L CaCO3 -0.04 0.04 -0.95 0.37
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