What are the odds in favour of Maria and Nathan being born on the same day of the week?

a. 1:6

b. 6:1

c. 1:7

d. 6:7

If a data set has a normal distribution, what percent of the data falls between the mean, , and ? Hint: use the empirical rule.

a. 34% b. 95% c. 47.5% d. 68%

A set of data has the following properties: mean = 42, median = 45, mode = 49. Which of the following best describes the data set?

a. Positive Skew b. Negative Skew c. Bimodal d. Uniform