q02_sol - 1 .7 5 2. Find the median for the above dataset....

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ISyE 2028A, Summer 2010 Friday May 28 Quiz 2 Solutions 1. The accompanying data specific gravity values for various wood types used in construction. .41 .41 .42 .42 .42 .42 .42 .43 .44 .54 .55 .58 .62 .66 .66 .67 .68 .75 .31 .35 .36 .36 .37 .38 .40 .40 .40 .45 .46 .46 .47 .48 .48 .48 .51 .54 Construct a stem-and-leaf diagram for the above dataset. [3 points] ANSWER Fre. Stem Leaves 6 .3 156678 (19) .4 0001122222345667888 11 .5 14458 6 .6 26678
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Unformatted text preview: 1 .7 5 2. Find the median for the above dataset. [1 point] ANSWER (0.44 + 0.45)/2=0.445. 3. Find the lower and upper quartile for the above dataset. [1 point] ANSWER lower quartile = 0.405; upper quartile = 0.54. 4. Find the inter-quartile range for the above dataset. [1 point] ANSWER IQR = 0.54 0.405 = 0.135. 5. Draw a box-plot for the above dataset. [2 point] ANSWER See lecture notes. [2 points automatically for submission.]...
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