A study of fathers’ involvement in their children’s education interviews a sample of fathers of school-age children. One question concerns regularly scheduled parent-teacher conferences. Here is a two-way table of the results: AttendedallAttended some but not allAttendednoneFathers in two-parent families109132203Fathers in single-parent families151013Non-resident fathers112582A chi-square statistic for this table will have how many degrees of freedom?A) 3 B) 4 C) 6 D) 9 E) 12

Given : Attended all Attended some but not all Attended none Fathers in two-parent families 109 132 203 Fathers in single-parent families 15 10 13 Non-resident fathers 11 25 82solution : number of rows , r = 3 number of columns , c = 3 Degree of freedom, df = (r-1)(c-1) = ( 3-1)* (3-1) = 2*2 = 4

Answered: A chi-square statistic for this table…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A study of fathers’ involvement in their children’s education interviews a sample of fathers of school-age children. One question concerns regularly scheduled parent-teacher conferences. Here is a two-way table of the results:

	Attended all	Attended some but not all	Attended none
Fathers in two-parent families	109	132	203
Fathers in single-parent families	15	10	13
Non-resident fathers	11	25	82