Question

8. The type of cereal you buy is an example of a. Ordinal data b. Nominal data c. Interval data d. Continuous data 9. The time you spent sleeping last night is an example of a. Ordinal data b. Nominal data c. Interval data d. Ratio data

Answer 1

8) The type of cereal you buy is an example of Nominal data.

Nominal variable is a type of categorical variable that have two or more categories, but which do not have an intrinsic order (that is, no natural ordering of categories). That is the order has no meaning here, and the difference between categories is meaningless.

The different cereal types is a categorical variable where the order and difference is not meaningful. Thus type of cereal is a nominal data.

9) The time you spent sleeping last night is an example of Ratio data.

Ratio variables are interval variables that has a defined zero point. It describes the amount measured, provide information as to how much was observed and the value of zero on the scale means absolute zero. At the ratio level of measurement, not only can sums and differences be calculated, but also ratios. One measurement can be divided by any nonzero measurement, and a meaningful number will result.

The sum, difference and ratio of time spent sleeping is meaningful. And 0 second is meaningful. Thus time spent sleeping last night is a ratio data.