calculate standard deviations for the following data set 5 ,10,25,30,50 under Actual mean method
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Calculate the standard deviation of the following values by following methods: (i) Actual Mean Method, (ii) Assumed Mean Method, (iii) Direct Method, (iv) Step Deviation Method. 5, 10, 25, 30, 50.
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Measures of Dispersion.
X x2
30 900
50 2500
ΣX = 120 ΣX2 = 4150
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