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Q2: Twenty third graders were randomly separated into 4 groups and each group was taught a...

Q2: Twenty third graders were randomly separated into 4 groups and each group was taught a mathematical concept using a different teaching method. At the end of the teaching period, progress was measured by a unit test. The scores of shown below: (one child in group three was absent of the day the test was administered.)

(1) What type of design was used? (2) Construct an ANOVA table

(3) Do the data present significant evidence to indicate a difference in the average scores for thefour teaching methods? Use α = .05.

group

1

2

3

4

112

111

140

101

92

129

121

116

124

102

130

105

89

136

106

126

97

99

---

119
math   Statistics-And-Probability   
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Q2: Twenty third graders were randomly separated in to 4 groups and each group was taught a mathematical concept using a different teaching method.

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