Question

As part of a study to investigate the effects of stubble burning,
the following variables were measured at several sites:

* amount of stubble (0=light, 1=medium, 2=heavy);
* crop grown (0=wheat, 1=barley, 2=oats, 3=other);
* date of final harvesting (eg., 10 Oct 2011);
* rainfall in previous 20 days (in cm to one place of decimal)

The scales of these variables are:

1. interval, ordinal, ratio, ratio

2. interval, nominal, ordinal, interval

3. ordinal, nominal, interval, ratio

4. ratio, ordinal, ordinal, ratio

5. ordinal, interval, interval, ratio

6. ordinal, nominal, interval, interval

Answer 1

The scales of these variables are: ordinal, Interval, interval, ratio

Since for first the amount of stubble can be ordered as in form less or more but can not be how much therefore it can be measured by ordinal scale.

Similar for crop grown we can measure that which crop grow mor and how much so the measure of scale is Interval. similar for 3rd.

Now since rainfall can be measure in cm which can be apply on algebraic such as addition, subtraction,ratio etc, are possible. herefore Ratio scale