Averages and Grouped Data

Given the date below, what is the value of N?

• 30

• 40

• 50

• 60

What is the formula in finding the mean of Grouped Data?

• 
• 
• 
• None of them.

What is the class interval of the data on the table?

• 2

• 3

• 4

• 5

Find the mean.

• 10

• 20

• 30

• 40

What is the value of N?

• 80

• 81

• 85

• 90

In completing the table for getting the median of grouped data, the following data is needed: Frequency, Lower Boundary & _____________.

• higher boundary

• Class interval

• Cumulative frequency

How will you be able to find the median class of the data above?

• Find the highest frequency.

• Divide the total frequency by 2.

• Divide the total frequency by 2 then find where it belongs to the cumulative frequency.

• Find the cumulative frequency of the highest frequency value.

In what class does the median class belongs?

• 70-74

• 65-69

• 60-64

• 55-59

It illustrates the middle value of the given set of data.

• MEAN

• MEDIAN

• MODE

• RANGE

Which of the following best describes the mode of a given set of data?

• The measure or value which occurs most frequently (repeated) in a set of data.

• The average of a set of data.

• The middle value of a set of data

• The difference of the highest and the lowest value of a set of data.