Sharp EL-5230, EL-5250 Statistical Calculations Examples, ⋅10+50=, x = 60 →Pt ?, t = -0.5 →Rt ?

Chapter 4: Statistical Calculations

Statistical Calculations Examples

	Example			Key operations		Result
				@ P 2 y
				b 1 0	Stat 0 [SD]		0.
		DATA
					DATA SET=		1.
			95	95 _
			80	80 _	DATA SET=		2.
			80	_	DATA SET=		3.
			75	75 , 3 _	DATA SET=		4.
			75
			75
			50	50 _	DATA SET=		5.
			–	I 0 1 e	˛=	75.71428571
			x =
		σ x =		I 0 3 e	σ≈= 12.37179148
			n =	I 0 0 e	n=		7.
		Σx =		I 0 4 e	Í≈=	530.
		Σx 2 =		I 0 5 e	Í≈Œ= 41200.
			sx =	I 0 2 e	sx=	13.3630621
		sx2 =		A e		178.5714286
	–			(95 -I01)
(95–x)			⋅10+50=
sx				zI02k10
				+ 50 e		64.43210706
x = 60 →P(t) ?				I1160 I10
				)e		0.102012
t = –0.5 →R(t) ?				I13S0.5)e		0.691463

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