Determining the standard variance

Reference no: EM1320572

Q1) Monthly sales figures for store are as follows:

jan	$62k
feb	$71k
mar	$68k
apr	$47k
may	$71k
june	$69k
july	$80k
aug	$75k
sep	$87k
oct	$77k
nov	$63k
dec	$70k

Determine the:

a) Mid-range

b) Standard Variance

c) Standard Deviation

Reference no: EM1320572

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