A biologist measures the stem length of plants. The following data was obtained. Length (cm) x          Frequency(f)   25                                 3   26                                 9   27                               10  28                                12  29                                20 30                                 19 31                                 14 32                                 13 Find the: i. Quartile Deviation ii. Skewness

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A biologist measures the stem length of plants. The following data was obtained.
Length (cm) x          Frequency(f)
  25                                 3
  26                                 9
  27                               10
 28                                12
 29                                20
30                                 19
31                                 14
32                                 13
Find the:
i. Quartile Deviation

ii. Skewness

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