Good at Math? Twenty third graders were randomly separated into four equal 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 are shown below (one child in group 3 was absent on the day that the test was administered).Group123411211114010192129121116124102130105891361061269799 119a. What type of design has been used in this experiment?b. Construct an ANOVA table for the experiment.c. Do the data present sufficient evidence to indicate a difference in the average scores for the four teaching methods? Test using a = .05.

Good at Math? Twenty third graders were randomly separated into four equal groups, and each group was taught a mathematical concept using a different teaching method. At the end of the teaching...

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Good at Math? Twenty third graders were randomly separated into four equal 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 are shown below (one child in group 3 was absent on the day that the test was administered).

Group
1	2	3	4
112	111	140	101
92	129	121	116
124	102	130	105
89	136	106	126
97	99		119

a. What type of design has been used in this experiment?

b. Construct an ANOVA table for the experiment.

c. Do the data present sufficient evidence to indicate a difference in the average scores for the four teaching methods? Test using a = .05.

Answered Same Day Dec 24, 2021

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David answered on Dec 24 2021

108 Votes

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Good at Math? Twenty third graders were randomly separated into four equal groups, and each group was taught a mathematical concept using a different teaching method. At the end of the teaching...

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