- Last OnlineMar 25, 1:27 AM
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- LocationHong Kong
- JoinedOct 30, 2024
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Days: 240.1
Mean Score:
6.32
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μ = mean / expected value. found using n*p
σ = stand dev. found using square root of: (n·p·(1−p)
=BINOM.DIST(A2, D$1, C$2, FALSE)
cumulitive = true or false (or a range)
non = probability or exact number
find the probability P(3 ≤ X ≤ 8). (SUM(C19:C24)) (sum of those 5 numbers from 3 to 8) (exaxt probabbilities)
same thing with cumilitive (d24-d18)
=NORM.DST
CUMULITIVE: x is at or below that value
non: x is exactly that value
IF YOU WANT X IS EQUAL OR MORE 1-norm.dist(
q1 = norm.inv(0.25,mean,stdev
q3 = norm.inv(0.75,mean,stdev
iqr= q3-q1
for x = ? find zscore: (?-mean/stdev)
what x corresponds to z score of ?: mean + (? *stdev)
Suppose an X-value has a z-score of 1.96. What percetile does it correspond to? =NORM.S.DIST(1.96,TRUE)
What z-score does an 80th percentile correspond to? =NORM.S.INV(0.8)
☆.。.:*・・°â˜….。.:*・°â˜†.。.:*・°â˜† »•» Merry Christmas! «•« ☆.。.:*・°â˜†.。.:*・°â˜….。.:*・°â˜†
I hope this year has been very kind to you
and that it made you experience and learn a lot of things in life
and many more in the coming years.
As time passes by, people come and go
and we experience some unpleasant things
and we feel like it's not worth the effort moving forward
But I hope that too passes for you, no matter how long it takes
All the best in your goals and endeavors in life
also ily2