When looking at a graph, a Y-axis with no numbers _____.
a. is never a problem as people just don't like to look at numbers.
b. is correct as the numbers should only be listed on the X-axis.
c. could be a sign that someone is trying to mask what is really going on with the
data.
d. is a good idea as it keeps people's focus on the graph.
Question 2
The symbol represents the _____ .
a. mean of a sample
b. mean of a population
c. standard deviation of a sample
d. standard deviation of a population
