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

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.3: Evaluate And Graph Logarithmic Functions
Problem 10.52TI: What is the decibel level heavy city traffic with intensity 103 watts per square inch?
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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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