Stats for managers

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Matthews, Young and Associates, a Chapel Hill consulting firm, has these records indicating the number of days each of its ten staff consultants billed last year:
212 320 230 210 229 231 219 221 222
a)Without computing the value of any of these measures, which of them would you guess would give you more information about this distribution: range or standard deviation?
b) Considering the difficulty and time of computing each of the measures you reviewed in part (c), which one would you suggest is better?
(d) What will cause you to change your mind about your choice?

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