Summative Test 2 - Quarter 4 - Math_10

It is a tabular presentation of quantitative data grouped into numerical intervals called classes or class intervals together with the number of observations in each class.

• Class Interval Table

•  Percentile Table

• Frequency Distribution Table

 It is the difference between the highest and the lowest values in the set of data.

• Frequency     

• Range

• Upper Class Boundary

The ______ class is the class interval where the (N/4) ^th data is contained.

• Q₁

• Q₂

• Q₃

It is used in relating individual values to their positions in the entire group.  It is also the proportion of values in a data set that a specific value is less than or equal to.

• Frequency     

• Percentile Rank

• Range

As shown in Table 1, what is the highest value in the data set?

• 20

• 19

• 18

What is the lowest value in the data set?

• 5

• 7

• 9

Determine the range of the given data.

• 9

• 11

• 13

As shown in Table 2, what is the size of the class interval?

• 3

• 5

• 7

Determine the number of classes, K, if N = 30 and round off answer to the nearest integer.  NOTE:  K = √N

• 4

• 5

• 6

Solve for the class width, i.  Round off answer to the nearest odd integer.

• 7

• 5

• 3