Question

quinn mailed four postcards that each cost $0.25, five letters that each cost $0.44, two large envelopes that each cost $0.80, and one small package for $5.10. which cost on the list of mailing fees on quinns receipt would skew the mean?

the cost of a postcard
the cost of a letter
the cost of a large envelope
the cost of the small package

Explanation:

Step1: Understand mean - outlier effect

The mean is affected by outliers. An outlier is a data - point that is very different from the other data - points.

Step2: Identify data values

The costs are: postcard cost $0.25$, letter cost $0.44$, large envelope cost $0.80$, and small package cost $5.10$.

Step3: Determine the outlier

The values $0.25$, $0.44$, and $0.80$ are in a similar range. The value $5.10$ is much larger than the others.

Answer:

the cost of the small package