Explain why a graphical display might be skewed. How do you ensure data isn’t skewed?

Sample Response: If the data is collected in a biased manner, the graph could be skewed. Also, if the number of observations is too small, the graph can be skewed. To ensure the data is not skewed, collect a large representative unbiased sample

Samples collected with bias can have skewed data plots.

If a sample size is too small, the data can be skewed.

Collecting a large unbiased sample will ensure the data is representative and not skewed.