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realsiege
 one year ago
anyone know what a quartile class is? to find q1 i need to use the lower boundary of the first quartile class, but i don't even know what that is.
realsiege
 one year ago
anyone know what a quartile class is? to find q1 i need to use the lower boundary of the first quartile class, but i don't even know what that is.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The values that divide the data set into 4 equal parts after it has been arranged in ascending orden are called quartiles.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Q1 , the lowest quartile is known as the lower quartile, or first quartile. The lowest 25% of the data being found below the first quartile value. It is the same as P25.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Do u wanna know what rest of the quartiles are?

realsiege
 one year ago
Best ResponseYou've already chosen the best response.1sorry, i still don't get it. so for example if my chart consists of: 010 11–20 2130 3140 4150 5160 6170 7180 8190 91100 what's my Q1?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0This falls in 25% category

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0i hate statistics! ┻━┻ ︵ヽ(`Д´)ﾉ︵ ┻━┻

realsiege
 one year ago
Best ResponseYou've already chosen the best response.1(i wrote this for archive so i can check it again) ahh i finally know what it is group freq cumulative freq 110 6 6 11–20 6 12 2130 9 21 3140 21 42 4150 20 62 Q1 5160 16 78 6170 25 103 7180 17 120 8190 26 146 Q3 91100 45 191 total 191 so multiply 1/4 with n (total frequency) [if it's odd: total freq + 1] 1/4*191+1 = 48 somewhere up in the data the 48th data is in there it's group 4150 and Q3 is in group 8190 because the 144th data is in there i feel so happy rn
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