Statistics Lesson 4 Practice Quiz Quartile, Percentiles, &..

The number of cars sold in a month by each of 7 salesmen is as above data. Find the smallest value in distribution.

13, 2, 7, 4, 13, 12, 14

• 2

• 12

• 4

• 1

The number of cars sold in a month by each of 7 salesmen is as above data. What is the largest number in data value.

13, 2, 7, 4, 13, 12, 14

• 3

• 12

• 14

• 13

The number of cars sold in a month by each of 7 salesmen is as above data. Find the value of first quartile (Q1) in distribution.

13, 2, 7, 4, 13, 12, 14

• 4

• 13

• 2

• 3

The number of cars sold in a month by each of 7 salesmen is as above ungroup data. Find third quartile of data value.

13, 2, 4, 7, 13, 12, 14

• 3

• 13

• 12

• 11

The following table shows the marks obtained by 40 students in a Statistics quiz. What is the first quartile (Q1) ?

• 4

• 5

• 6

• 7

The following table shows the marks obtained by 40 students in a Statistics quiz. What is the third quartile (Q3) of distribution?

• 4

• 5

• 6

• 7

Each day, Yoko records the number of news articles she reads. Here are her results for the last nine days.

2, 8, 2, 2, 3, 3, 5, 2, 2

Find the lower quartile for the data.

• 2

• 3

• 4

• 8

Each day, Yoko records the number of news articles she reads. Here are her results for the last nine days.

2, 8, 2, 2, 3, 3, 5, 2, 2

Find the upper quartile for the data.

• 2

• 3

• 4

• 8

A technique that divide a set of data into one hundred equal parts.

• Quartile

• Decile

• Percentile

• Quintile

Q1

​ is always equal to

P3

​

• True

• False