Basic Descriptive Statistics - Mini Quiz

This is the most frequent observation

• Median

• Mode

• Mean

This is the value the value that occupies the middle point of a distribution

• Median

• Mode

• Mean

This is the "average" value. It's computed by adding all the values and divide this sum by the number of values

• Median

• Mode

• Mean

is a way to describe the shape of the distribution in relationship to the normal curve

• Skewness

• Kurtosis

• Dispersion

• Central Tendency

The data in the picture:

• is negatively skewed

• positively skewed

• symmetrical

The data in the picture:

• is negatively skewed

• positively skewed

• symmetrical

The data in the picture:

• is negatively skewed

• positively skewed

• symmetrical

Box plots can display the skew of data. The position of the median relative to the quartiles describes the skew. Match the box plots to the correct graphs below

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Is this data positively or negatively skewed?

• Positively skewed

• Negatively skewed

Is this data positively or negatively skewed?

• Positively skewed

• Negatively skewed