Casio ALGEBRA FX2.0 Advanced Statistics Examples 1 - Manual (Page 19)

19
examples
○ ○ ○ ○ ○
Example A certain club collected data on the attendance at meetings by married
status, and obtained the data shown below.
Married Divorced Widowed Single Row Totals
Often Absent 34 16 14 36 100
Seldom Absent 64 34 20 82 200
Never Absent 52 50 16 82 200
Column Totals 150 100 50 200 500
Test the null hypothesis that two phenomena are independent using
the level of significance of 0.05.
Procedure
1 m STAT2
2 3 (TEST) d (
χ
2 )
3 2 ( ' MAT)
1 (DIM)
d w
e ww
de wbgwbewdgw
ge wdewcawicw
fc wfawbgwicw
ii
4 1 (MAT) v (A) wc
1 (MAT) l (B) wc
1 (None) c
5 1 (CALC)
6 (DRAW)
Result Screen
Since P = 0.17546141 > 0.05 (level of significance), we can not reject the null hypothesis
and conclude that there the two phenomena are independent of each other.