A. TRY IT OUT!: "TRUE OF FALSE"
Directions: Write TRUE if the statement is correct, FALSE if not. Write your answer on the space before
the number.
1. The measures of variability allow us to determine the spread of the data.
2.
In finding the range of ungrouped data, we will subtract the lowest score from the
highest score.
3. In finding the range of the grouped data, we will subtract the highest class mark to
the lowest class mark.
4. In finding the variance, we need to square root the result (X-mean).
5. Standard deviation is the square root of the variance.​