Median -- Revision

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

• 
• 
• 
• None of them.

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

• 2

• 3

• 4

• 5

Find the median.

• 27.43

• 28.43

• 29.93

• 30.43

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.

Based on the given data, which class has the highest frequency?

• 21-23

• 24-26

• 30-32

• 33-35

What does this symbol represent?

• Median

• Mode

• Mean

• Variance

What is the range of the following data?

45, 32, 41, 30, 43, 39

• 6

• 13

• 15

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193

• 66

• 60

• 127

What is class mark x_i

• Lower limit + upper limit

• (Upper limit - Lower limit)/2

• Upper limit - Lower limit

• 2(Upper limit - Lower limit)

Calculate the sum of frequencies using the given table

• 56

• 66

• 65

• 60