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Proj 1 Summer 2020 B-1 [Compatibility Mode] Q Search in Document Home Insert Draw Design Layout References Mailings Review View Zotero o+ Share ~ Times New R... 12 A AV Aa A AaBbCcDdEe AaBbCcDdEt AaBbCcDd AaBbCcDdEe A. AaBbCcI AaBbCcDdE AaBbCcDdl AaBbCcDdE AaBb AaBbCcDdE AaBbCcDdE paste B I U abe X2 X2 A & . A . Caption Emphasis Heading 1 Heading 3 Heading 5 Normal Strong Subtitle Title No Spacing Subtle Emph Styles Pane Clipboard Font Paragraph Styles * Office Update To keep up-to-date with security updates, fixes, and improvements, choose Check for Updates. Check for Updates d. Create a stem-and-leaf display of your size/mileage variable and attach it below. 2 . Use Statistix to create the descriptive Mileage Price Describe the shape of the sizes/mileages you observe in the plot. (3 points) statistics for the two quantitative variables that |N 75 75 you collected data for. Make sure to include the n, Mean 34985 19990 minimum and maximum values, mean, median, SD 19044 2751.5 standard deviation, and the confidence interval Minimum 2969. 0 15240 endpoints for a 96% confidence interval. Paste 1st Quarti 21577 17995 Median 31639 19533 the printout in the space provided here and answer 3rd Quarti 46000 21499 the following questions. Maximum 84181 25989 a. For your Size/Mileage variable, interpret the standard deviation by giving me a range in which you think "most" of the values (i.e., the x's) will fall. (Hint: you will need to do some math here) (3 points) Stem and Leaf Plot of Mileage Leaf Digit Unit = 1000 Minimum 2969.0 0 2 represents 2000 Median 31639 Maximum 84181 Find the 96% confidence interval for estimating the mean Price of your data set (2 Depth Stem Leaves points) 1 0 2 4 799 10 001234 15 55779 C. Give a practical interpretation for the interval specified in part b. (4 points) 25 34 0001122334 777888 (10) 0011223344 31 5666 26 000034 20 AAWWNN - - 5 5567899 13 10 9 aau 12 3 d. Explain what you mean when you say that you are "96% confident" in the practical 568 interpretation above in part c. (2 points) 1 78 14 75 cases included 0 missing cases e. What assumption(s) is/are necessary for this analysis to be valid? Make sure you state your answer in the words of the problem (4 points) Page 4 of 5 584 words English (United States) Focus 125%