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anonymous
 5 years ago
The accompanying table shows the scores on a classroom test. What is the population standard deviation? x: 100, 95,90,80,75, 72, 70 f: 7, 2, 10, 4, 2, 3, 4
anonymous
 5 years ago
The accompanying table shows the scores on a classroom test. What is the population standard deviation? x: 100, 95,90,80,75, 72, 70 f: 7, 2, 10, 4, 2, 3, 4

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok, so first we find the average of the population

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is it possible to do this on the calculator?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is 10.74054817 correct?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ill show you why, its long tedious, but simple. bear with me

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait, did you get 10.74054817 for the average?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait before you do all that can't you put it in the table on the calculator and then hit 1var stats and type in (L1,L2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0well its population standard deviation remember

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes, but you need to find the average of the population first. did you do that?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thats not the way we did it so im not sure how to do that..

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0find the average? you know. if we have 6,8,4 we find the average by (6+8+4)/3= 6 so the average of this population is 6

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ill do this in the calculator can you look at the other two please?
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