GSS 2018 respondents were asked to rate their agreement to the following statement: “Even if it brings no immediate benefits, scientific research that advances the frontiers of knowledge is necessary and should be supported by the federal government.”

Responses were measured on a 4-point scale: strongly agree, agree, disagree, and strongly disagree.

1. W ha t is the modal category?

2. Calculate the median category for this variable.

3. Identify which categories contain the 20th and 80th percentiles.