Asked by treshia
Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.)
Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43)
I ahve no idea how to solve this becaue I never seen this type of math before. Someone please help me!
Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43)
I ahve no idea how to solve this becaue I never seen this type of math before. Someone please help me!
Answers
Answered by
drwls
Are you sure that (x1 + 43) after the capital-sigma sum sign is not
xi + 43 ?
It makes no sense otherwise.
If the general term is xi +43, add up the xi values from x1 to x15 and add 15*43 to that sum.
xi + 43 ?
It makes no sense otherwise.
If the general term is xi +43, add up the xi values from x1 to x15 and add 15*43 to that sum.
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