Question

the mozart effect refers to a boost in average performance on tests for elementary students after the students have listened to mozarts music for a period of time immediately before the tests. a teacher who claims that there is no effect divided her class into three groups before an end of grade test. the test scores are givin below. test the teachers claim at a level of significance of a=0.10

H0, H1, CV, Test Statistic

no mozart

80 63 74 83 70

10 minutes mozart

79 73 74 77 81

20 minutes mozart

73 82 79 82 84  

Answer 1

ANOVA TABLE IS GIVEN BY,

here,

=0.1

Here, p-value=0.2727

P-value >

Therefore, accept H0

There is sufficient evidence to conclude that,there is no effect divided her class into three groups before an end of grade test.