Find the z-score: μ = 100, σ = 20, x = 140

The five-number summary consists of:

Which data set has the larger standard deviation?

Find the mean from the frequency distribution:xf224682

Find the mode: 10, 10, 12, 14, 14, 14

Find the mode: 1, 1, 2, 3, 3

Chebyshev’s Rule applies to:

Data range from 18 to 72. Using 6 classes, the class width is approximately:

The left edge of the box in a boxplot represents:

The lower fence is calculated as: