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i want $10000000000

ok thanks

is it $61? Is it $11.25? and is it $63?

61

does anyone know if this is the correct answers?

305/5 = 61

it may be 61. or not. How does one know?

thank you amistre64

do you know I find the standard deviation?

...i think i recall it; how many numbers?

52, 70, 73, 63, 47 (5)

whats the (5) doing there?

total of five books, but you confirmed my answer, thank you.

did you hear of statcrunch?

47-63 = -16
52-63 = -9
63 mean= 0
70-63 = 7
73-63 = 10
squre the results

std deviation is 9.2 i think

256
81
49
100
----
486

divide by 5-1? i think now

I got the standard deviation at $11.25, is that incorrect?

486
/4
----
121.5

square root that?

oh you may be right, I used the incorrect formula for std deviation

11.02 or so....

I got 11.247, so I rounded it to 11.24?

I meant 11.25

11.25 is close :)

i think i did the steps right lol

i know what i did wrong, i used the median and not the mean lol

Do I use a normal distribution table to find Z?

thank you, your awesome!

i havent heard of a z score before...new terminology for me ..

oh ok

do you statistics?

taking stats and calc1 over the summer

:0 ohhhhhhhhhhhhh

taught myself some of it so far, but stats has been a backburner subject for me :)

I know it is difficult, but not impossible