Question

What is the first quartile, Q1, of the following distribution?

24, 26, 26, 27, 28, 31, 33, 35, 37, 38, 40, 42, 43, 46, 48, 55, 56
A. 27.5
B. 27
C. 24
D. 29.5

Answer 1

1) Arrange the data points in increasing order, from smallest to largest.
2) If the number of data points is odd, the middle data point is your median.
In this case, take all of the data points to the left of the median and find the median of those ponts. That's your Q1.

Answer 2

okay thanks:D