Question

i need help with statistics please.

Answer 1

how did Peter do? Use percentiles, standardized values, and raw data to help answer this question

Answer 2

While relaxing one day, Peter played a game of Sudoku. When he finished the following display appeared on his computer

Answer 3

standardized values... use z = (y - (mean))/ (standard deviation)

Answer 4

ik but the standard deviation is not given

Answer 5

hmm...can you solve for the standard deviation usingi

(SD) = sqrt((summation(x - mean)^2 / n) ?

Answer 6

or
SD = sqrt(np(1-p)) ?

Answer 7

I know the first one but not the second one

Answer 8

so can you do it with those formulae? if not...i got nothing else..sorry.

Answer 9

I don't have enough data to do it

Answer 10

But thanks for trying it out though, I really appreciated