Q: What is a bimodal distribution? What should you do if you
What is a bimodal distribution? What should you do if you find one?
See AnswerQ: Why is it important in a report to explain how you dealt
Why is it important in a report to explain how you dealt with an outlier?
See AnswerQ: View each column as a collection of independent observations of a random
View each column as a collection of independent observations of a random variable. a. In each case, what kind of variable is represented, continuous or discrete? Why? b.* Consider the event “annual sa...
See AnswerQ: Consider the cumulative distribution function: a. What is it
Consider the cumulative distribution function: a. What is it? b. How is it drawn? c. What is it used for? d. How is it related to the histogram and box plot?
See AnswerQ: How do you usually define the mode for a quantitative data set
How do you usually define the mode for a quantitative data set? Why is this definition ambiguous?
See AnswerQ: What is a percentile? In particular, is it a percentage
What is a percentile? In particular, is it a percentage (e.g., 23%), or is it specified in the same units as the data (e.g., $35.62)?
See AnswerQ: What is an outlier? How do you decide whether a data
What is an outlier? How do you decide whether a data point is an outlier or not?
See AnswerQ: What is the average? Interpret it in terms of the total
What is the average? Interpret it in terms of the total of all values in the data set.
See AnswerQ: What is a weighted average? When should it be used instead
What is a weighted average? When should it be used instead of a simple average?
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