The following data are given to an economist for the purpose of economic analysis. The data refer to the length of a certain type of batteries. N= 100, E fd= 50, E fd² = 1970, E fd3 = 2948 and %3D E fd4 = 86,752, in which d= (X- 48). Do you think that the distribution is platykurtic ?

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A: Dear student since the policy is to answer first 3 subparts so kindly repost the other.

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