Mathematics · Statistics and Linear Regression
The given data pertains to the number of jobs per day (x) and the central processing unit time required in seconds (y): No. of Jobs (x)12345CPU time (y)254910 Fit a least-squares straight line y = ax + b, and estimate the mean CPU time at x = 3.5.
- 19
- 26
- 37✓
- 45
Correct answer
7
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