Follow the 8 steps in regression analysis to answer the following problem. STEP 1: Identify the dependent and independent variable STEP 2: Compute the correlation coefficient r STEP 3: Test the significance of r STEP 4: Decision and Conclusion STEP 5: Computation of values of b and m STEP 6: Form the Regression Equation STEP 7: Prediction and Conclusion STEP 8: Graph the scatter plot and regression equation

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Author:Amos Gilat
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Follow the 8 steps in regression analysis to answer the following problem.
STEP 1: Identify the dependent and independent variable
STEP 2: Compute the correlation coefficient r
STEP 3: Test the significance of r
STEP 4: Decision and Conclusion
STEP 5: Computation of values of b and m
STEP 6: Form the Regression Equation
STEP 7: Prediction and Conclusion
STEP 8: Graph the scatter plot and regression equation

2. A researcher wishes to see if there is a relationship between the number of calories a sandwich has and
the sodium content of the sandwich. Several different types of sandwiches are used. The data follow.
Calories
(x)
419
419
386 240
354 231
174
Sodium (in mg)
495 645
1202 581 990 1159 787
Predict the sodium (in mg) content of the sandwich whose calories is 500.
Transcribed Image Text:2. A researcher wishes to see if there is a relationship between the number of calories a sandwich has and the sodium content of the sandwich. Several different types of sandwiches are used. The data follow. Calories (x) 419 419 386 240 354 231 174 Sodium (in mg) 495 645 1202 581 990 1159 787 Predict the sodium (in mg) content of the sandwich whose calories is 500.
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