Question

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results:

$3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120, $3,009, $4,000
What is the first quartile?

A. $1,446.5 B.$2,617 C. $3,415.75 D. $3,587 E. $4,212

Answer 1

2995

Explanation:

The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set

1127

1482

2995

3009

3250

3250

3445

3449

4000

6120

rearranging the data sets from the least to the highest

the middle number of the data sets is 3250

the middle number between the smallest number and the median of the data set is 2995