Calculation arithmetic means by three ways (by a simple mean, weighted mean in discrete and interval variational series of distribution). Conclusions.

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Simple mean

Number of clinics	Price










Total

x̅= = =8850

The weighted mean for a discrete variational series of distribution

x	fi	X*f









Total

x̅= = = 8850

The weighted mean for an interval variational series of distribution

K=3

l= =3833

x	f	Mi	Mf
			5416,5	27082,5
			9249,5
			13082,5
			16915,5	16915,5
Total

x̅= = =8866,2

Conclusion:

· The simple mean of my research “How much money do people spend on dental service?” equals 8850 tenge.

· The weighted mean for a discrete variational series of distribution of my research “How much money do people spend on dentist service?” equals 8850 tenge.

· The weighted mean for an interval variational series of distribution of my research “How much money do people spend on dentist service?” equals 8866,2 tenge.

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