Frequency Data

What is the modal class of this distribution?

• [8 - 8,5)

• [7 - 7,5)

• [7,5 - 8)

• [5 - 5,5)

What is the modal class of this distribution?

• 20-29

• 30-39

• 40-49

• 50-59

Which is the modal class?

• 140 ≤ h < 150

• 150 ≤ h < 160

• 160 ≤ h < 170

• 170 ≤ h < 180

Which is the lower boundary of the median class?

• 59.5

• 54.5

• 49.5

• 44.5

For this grouped data, find the median?

• 30.5

• 30.69

• 30.31

• 30.35

What is the class mark (X) of the class interval 18-26?

• 18

• 20

• 22

• 24

Using the table and the highlighted part what could be the value of CF_b?

• 3

• 9

• 14

• 22

Using the table, what is the value of Q₃?

• 38

• 38.5

• 39

• 39.5

This data represents the age distribution of a sample of 100 people covered by health insurance (private or government). The sample was taken in 2003. The mean of this data set is

• 52

• 25

• 44

• 32

The data presented in the table have a mean value of:

• 172

• 161

• 157

• 184