iQ1 A The median of these data is 60 57 44 43 42 56 59 34 BT

iQ1

A) The median of these data is:

6.0

5.7

4.4

4.3

4.2

5.6

5.9

3.4

B)The upper quartile of these data is:

6.0

5.7

4.4

4.3

4.2

5.6

5.9

3.4

Solution

a).

There are 16 data points

The median is middle value = average of 8^th and 9^th observation in the sorted data.

Median = ( 4.2+4.4)/2 =4.3

A) The median of these data is: 4.3

b)The upper quartile of these data is:

Upper quartile is 75^th percentile

16*0.75=12 the observation   = 5.6

upper quartile =5.6