Weekly Quiz 1_ Predictive Modeling - Great Learning.pdf -...

16/07/2020 Weekly Quiz 1: Predictive Modeling - Great Learning
1/5
Weekly Quiz 1
Type : Graded Quiz
Attempts : 1/1
Questions : 10
Time : 20m
Due Date : May 08, 11:30 PM
Your Score : 9.00/10
Instructions
Attempt History
Date Attempt Marks
Question No: 1
Correct Answer
Marks: 1/1
Degree of
freedom
Sum of
squares
Mean of
the
squares
Regression 1
1258.54863
9
(SSR)
1258.5486
39
(MSR)
Residual 6
773.451361
2
( SSE)
128.90856
02
(MSE)
Total 7
2032
(SST)
May 08, 9:51 PM 1 9
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answers

16/07/2020 Weekly Quiz 1: Predictive Modeling - Great Learning
2/5
Based on the above table,what is the value of F Statistic?
The F value is the ratio of the mean regression sum of squares (MSR) divided by the
mean error sum of squares (MSE) So F Statistic is 1258.548639 / 128.9085602 = 9.76
(rounded to 2 decimal places)
Question No: 2
Correct Answer
Marks: 1/1
Correlation Coefficient takes values between +1 and -1
Correlation coefficient formulas are used to find how strong a relationship is between
data. The formulas return a value between -1 and 1