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lunch spent on these amount what is the mean and standard deviation 13.11+8.98+17.98+13.49+16.40+16.35+13.97+14.55+185.00

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I did the calculations two ways. The last data item was 185.00! I wasn't sure if this was correct or a typo. With 185.00: mean 33.31. STD dev 53.68. With 185.00 changed to 18.50: mean 14.81 std dev 2.75
User Tarandeep Gill
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