firstquartile 21,31,36,45,49,58,61,63,64,65,66,68,71,73,74,78,81,92

Solution

firstquartile

49

Solution steps

Arrange the terms in ascending order

21, 31, 36, 45, 49, 58, 61, 63, 64, 65, 66, 68, 71, 73, 74, 78, 81, 92

Take the lower half of the ascending set:

21, 31, 36, 45, 49, 58, 61, 63, 64

Median of

21, 31, 36, 45, 49, 58, 61, 63, 64 : 49

49

What is the firstquartile 21,31,36,45,49,58,61,63,64,65,66,68,71,73,74,78,81,92 ?
The firstquartile 21,31,36,45,49,58,61,63,64,65,66,68,71,73,74,78,81,92 is 49