Stats Review

Front

What is the range in a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the range of the following data set: 23, 24, 25, 26, 26, 27, 27, 28, 30, 31, 32, 33?

Back

Range = Highest value (33) - Lowest value (23) = 10.

Front

What is the upper extreme in a data set?

Back

The upper extreme is the highest value in a data set.

Front

Identify the upper extreme from the following data set: 7, 22, 48, 102, 110, 302.

Back

Upper extreme = 302.

Front

What is univariate data?

Back

Univariate data is data that consists of observations on a single characteristic or attribute.

Front

Give an example of univariate data.

Back

Test scores are an example of univariate data.

Front

What is qualitative data?

Back

Qualitative data is non-numerical data that describes characteristics or qualities.

Front

Identify a qualitative example from the following options: Shoe Sizes, Favorite Movie, Number of Covid Cases, Weekly Income.

Back

Favorite Movie is a qualitative example.

Front

What is the mean of a data set?

Back

The mean is the average of a set of numbers, calculated by dividing the sum of the values by the number of values.

Front

Calculate the mean of the following data set: 12, 12, 13, 14, 14, 14, 15.

Back

Mean = (12 + 12 + 13 + 14 + 14 + 14 + 15) / 7 = 13.4.