Example of 2-Variable Statistics

The following example shows how to apply the information given in the previous sections concerning 2-variable data.

Example

Enter the following data pairs, and then calculate the mean and sample standard deviation.

(101.3, 609) (103.7, 626) (98.6, 586)
(99.9, 594) (97.2, 579) (100.1, 605)

Procedure

Press

Display

Clear display[ CLEAR ]D_McSSNB
Clear registers and select 2-variable[ STAT ]
{ CLR } { CS2 }		D_aIXgn4
Begin data entry101.3 [ x~t ]
609 [ ∑+ ]		D_bToF5I
103.7 [ x~t ]
626 [ ∑+ ]		D_eJssgL
98.6 [ x~t ]
586 [ ∑+ ]		D_CiPql8
99.9 [ x~t ]
594 [ ∑+ ]		D_ThPOaZ
97.2 [ x~t ]
579 [ ∑+ ]		D_S2HZBc
100.1 [ x~t ]
605 [ ∑+ ]		D_xvdFWP
Mean of y values{ MN }D_QzE3tH
Mean of x values[ x~t ]D_mlPXPs
Sample standard deviation of y values{ s }D_WSZElh
Sample standard deviation of x values[ x~t ]D_aqmaeT

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