STATISTICS INTERVENTION GAME

It is used to denote the sum of values.

• Frequency Distribution

• Mean

• Summation Notation 

• Variation

This symbol is used to denote the sum of all values.

• 415

• 419

• 417

• 420

• 58

• 61

• 60 

• 65

• 65

• 69

• 70

• 74

It refers to an arrangement of data which shows the frequency of different values or groups of values of a variable.

• Frequency Distribution

• Mean 

• Summation Notation

• Variation

If the highest value is 29 and the lowest is 12, what is the range?

• 12

• 17

• 29

• 41

This is the formula of Sturges that can be used to determine an appropriate number k of classes.

• k=3logN

• k=1+logN

• k=1+3.3logN

• k=N+1

How to find the class mark?

• Get the difference between the highest and the lowest values in the set of data

• Add the lower and upper limits of the class interval, then divide the sum by value of the corresponding interval

• Divide the range by the desire class interval

• Get the difference between 1 and class interval

What are the true limits or class boundaries of the score 15.5?

• 14.50 – 15.50

• 15.00 – 15.50

• 15.45 – 15.55

• 15.50 – 16.50