The mean and standard deviation s measure center and spread but are not a complete...
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The mean and standard deviation s measure center and spread but are not a complete description of a distribution Data sets with different shapes can have the same mean and standard deviation To demonstrate this fact use your calculator to find and s for these two small data sets Then make a dotplot of each and comment on the shape of each distribution D a t a DAL a 9 14 8 14 8 74 8 77 9 26 8 10 6 13 3 t 6 58 5 76 7 71 8 84 8 47 7 04 5 25 5 a B To access the complete data set click the link for your preferred software format Excel Minitab14 18 Minitab18 JMP SPSS TI R Mac TXT PC TXT CSV CrunchIt Macmillan Learning what is rounded to three decimal places XA What is the standard deviation for data set A Enter your answer rounded to three decimal places SA your What is the mean of data set B Enter your answer rounded to three decimal places XB What is the standard deviation for data set B Enter your answer rounded to three decimal places SB
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