(Answered) The data gives the weight for 15 corn cobs displayed in

Statistics

The data gives the weight for 15 corn cobs (displayed in ascending order) which were produced using an organic corn fertilizer:

169, 192, 200, 202, 204, 214, 216, 231, 232, 234, 237, 243, 246, 260, 262

Note that ??Σ??_i=1¹⁵ = 3342.0 and ??Σ??_i=1¹⁵ x_i² = 754216.0, where x_i is the weight of the ith corn cob for i=1,2...15

a) For this random sample of n=15 observations, obtain the mean, the median, the interquartile range and the standard deviation.

b) Among the 4 statistics is part a), which are measures of central tendency and which are measures of dispersion?

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