Casio ALGEBRA FX2.0 Advanced Statistics Examples 1 Uživatelský manuál stáhnout pdf (Strana 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

)

3 2('MAT)

1(DIM)

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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.

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Casio ALGEBRA FX2.0 Advanced Statistics Examples 1 Uživatelský manuál Strana 19