Based on the results shown in the following table

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In a study of parents' feelings about a required course in sex education., 360 parents, a random sample, are classified according to whether they have one, two, or three or more children in the school system and also whether they feel that the course is poor, adequate, or good. Based on the results shown in the following table, test at the 0.05 level of significance whether there is a relationship between parents' reaction to the course and the number of children that they have in the school system: Number of children 1 2 3 or more Poor 48 40 12 Adequate 55 53 29 Good 57 46 20

                                   Observed frequencies

 

Number of children

1

2

≥3

Total

Poor

48

40

12

100

Adequate

55

53

29

137

Good

57

46

20

123

Total

160

139

61

360

Reference no: EM13688001

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