❓ Help Statistics & Probability

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Klye69

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hello po, pwede po paki tulongan ako dito? Naguluhana na kasi ako 😭 thankyou
 
Hello.
Yung mean muna isolve mo, kunin mo yung sum ng X tapos divide mo by 15 (kasi yun ung number of students)
mean = 2.53333333

Tapos solve mo na ung variance at standard deviation
Gawa ka table
(X-mean)^2
Isosolve mo yon sa lahat ng X ng students 1-15
1648006908403.png

tapos isusum mo yung lahat ng (X-mean)^2
makukuha mo is 9.733333333

tapos divide mo ung 9.733333 sa N = 15 -> ito kasi population mo
lalabas na sagot ay 0.648888889
bali yan na ung variance
para naman sa standard deviation, kunin mo lang ung square root ng variance
standard dev = 0.805536398

aralin mo na pano mag graph ng histogram hahaha, graph lang naman gagawin don eh

pacheck na lang din if tama ung ginawa ko hehe, in-excel ko lang eh
 
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