What is nominal ordinal ratio and interval data?
Nominal scale is a naming scale, where variables are simply “named” or labeled, with no specific order. Ordinal scale has all its variables in a specific order, beyond just naming them. Interval scale offers labels, order, as well as, a specific interval between each of its variable options.
Is smoking status ordinal or nominal?
also a smoking variable, is also constructed on an ordinal scale: Notice how the range between each point is not equal.
Is nominal data qualitative?
Nominal data can be both qualitative and quantitative. However, the quantitative labels lack a numerical value or relationship (e.g., identification number). On the other hand, various types of qualitative data can be represented in nominal form. They may include words, letters, and symbols.
What is nominal and ordinal variable?
A categorical variable (sometimes called a nominal variable) is one that has two or more categories, but there is no intrinsic ordering to the categories. If the variable has a clear ordering, then that variable would be an ordinal variable, as described below.
Is age nominal ordinal interval or ratio?
A great example of this is a variable like age. Age is, technically, continuous and ratio. A person’s age does, after all, have a meaningful zero point (birth) and is continuous if you measure it precisely enough. It is meaningful to say that someone (or something) is 7.28 year old.
What is a 75 out of 100 grade?
| Letter Grade | Percentage Range | Mid-Range |
|---|---|---|
| A+ | 90% to 100% | 95% |
| A | 80% to 89% | 85% |
| B+ | 75% to 79% | 77.5% |
| B | 70% to 74% | 72.5% |
What is a 75 on a 4.0 scale?
How to Convert Your GPA to a 4.0 Scale
| Letter Grade | Percent Grade | 4.0 Scale |
|---|---|---|
| B- | 80-82 | 2.7 |
| C+ | 77-79 | 2.3 |
| C | 73-76 | 2.0 |
| C- | 70-72 | 1.7 |