Stats 1 Qualifier: 16 October 2022 (September 2022 term)

Select all that apply.

1. A

   Grouping students by favourite subjects in a class is a numerical variable.

2. B

   Amount of calories consumed by a person in a day is a categorical variable.

3. C

   The amount of time to complete a quiz is a numerical and continuous variable.

4. D

   The number of attempts to clear an exam is a numerical and discrete variable.

Select all that apply.

1. A

   A nominal scale has the property of labelling the categories and it involves theranking of data.

2. B

   An ordinal scale has all the properties of nominal scale and it does not involvethe ranking of data.

3. C

   An Interval scale has all the properties of ordinal scale and it does not satisfythe absolute zero property.

4. D

   A ratio scale has all the properties of interval scale and it satisfies the absolutezero property.

Select all that apply.

1. A

   Range of the dataset is 171.

2. B

   Median of the dataset is 42.

3. C

   75th percentile of the dataset is 95.

4. D

   IQR (Inter-quartile range ) of the dataset is 65.