sec-9-3-worksheet.pdf

# Question 8 for this question just find the range of

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Question (8): For this question, just find the range of the data. Note that the range here is interpreted a little differently than the range of a function from algebra. Be careful. Question (9): Above you had to list the scores in descending order. Go back to this list and choose the first 16 scores. Find the median of this group of scores. This is the third quartile ( q 3 ).

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Question (10): Now take the last 16 scores from your descending list and find the median of this group. This is the first quartile ( q 1 ). Question (11): How does the process for finding q 1 and q 3 change if the data set has an odd number of data points? Question (12): Note that in question (9) and question (10), we found q 3 and q 1 respectively. Now we represent the smallest score in the data by q 0 and the largest score in the data by q 4 . We can also represent the median of the data set by q 2 . Use this information to help you plot a box-and-whiskers plot by following the book’s example. In general, what does the length of the whiskers and box tell you about a data set? Interpret the length of the whiskers and box for this data set.
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