Person bmi total cholesterol
1 20 157.87
2 22 170.85
3 24 183.83
4 26 196.81
5 28 209.79
6 30 222.77
7 32 235.75

total cholesterol and bmi were measured several individuals.
using the regression line, what is the expected total cholesterol if a person has a bmi of 35?
a) 249.45
b) 253.21
c) 255.22
d) 257.43

By using the arithmetic sequence, the difference between every other age is 12.98 (interval is 2). Example: 20 and 22 has 157.87 and 170.85 respectively which has the mentioned difference. Hence, if we calculate for the person who has a BMI of 35, then we add 12.98 to 235.75 plus the half which is 6.49. The total is 255.22. The answer is C.

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

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