What is the mean of the number set: 1, 2, 3, 4, 5, 10, 11, 100?

What is the shape of the distribution shown in the accompanying graph?

On previous ACTs, the mean was a 30 and the standard deviation was 2.5. What is the z-score for someone who scored a 35?

If the SS = 15 with a sample size of 3, what is the standard deviation?

a) Define mean. Go beyond telling me that it is a mathematical average and describe the mean in conceptual terms. b) Define median. Go beyond telling me that it is 50th percentile and describe the median in terms of the data. c) Define mode.

Which graph is the best for showing means?

What percent of students have black eyes?

How would you describe this distribution?

What percent of students have brown eyes?

Statistical methods are classified into two major categories: descriptive statistics and inferential statistics. In your own words (do not just recite the definition from the book), describe the general purpose of, or use for, each category.