What is the value of 3x2 - 5xy + 5y2 for x = -6 and y = 2?
1 answer:
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Answer:
0.708
Step-by-step explanation:
The calculation of the value of the linear correlation coefficient R is shown below:-
Cost Number
9 85
2 52
3 55
4 68
2 67
5 86
9 83
10 73
Value of linear correlation coefficient R is 0.70772136
or
= 0.708
For clarification look at the spreadsheet which has been attached and uses the following steps which are as follows
Step 1
To activate the data analysis option:- Go to file menu click on add-in option and choose the manage option and select Excel Add-in option click on Ok after that choose Analysis Tool Pak
Step 2
After following step 1 choose data tab and select data analysis tab and select correlation and click ok
Step 3
After selecting correlation to select the range from $A$2:$B$9 and then click OK to reach the value of linear correlation coefficient R.
