ANSWER THE FF.(CHOOSE)

1.The number of absences per year a worker has is an example of what type of data?

Nominal

Qualitative

Discrete

Continuous

2.Data can be classified according to color are measured on what scale?

Nominal

Ratio

Ordinal

Interval

3.An example of a continuous quantitative variable would be

the number of ounces in a pound

the number of square inches in a square foot

the number of houses on each of 30 streets

the number of square feet in each of 20 houses

4.When a distribution is bell-shaped, approximately what percentage of data values will fall within one standard deviation of the mean?

50%

68%

95%

99.7%

5.Which of the following statements about measures of variability must always be true if the standard deviation is larger than 1?

The standard deviation is larger than the range

The standard deviation is larger than the variance

The range is larger than the variance

The variance is larger than the standard deviation