Students were given different drug treatments before revising for their exams. Some were given a memory drug, some a placebo drug and some without treatment. The exam scores (%) are shown in Table 7 for the three groups. Table 7   memory drug placebo without treatment   70 37 3   77 43 10   83 50 17   90 57 23   97 63 30 S2 112.30 109.00 112.30 Carry out a one-way ANOVA using a significance level of 0.01 to test whether these data provide evidence to support the claim that the treatments will have different effects?

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Students were given different drug treatments before revising for their exams. Some were given a
memory drug, some a placebo drug and some without treatment. The exam scores (%) are shown in
Table 7 for the three groups.
Table 7

 

memory

drug

placebo without treatment
  70 37 3
  77 43 10
  83 50 17
  90 57 23
  97 63 30
S2 112.30 109.00 112.30

Carry out a one-way ANOVA using a significance level of 0.01 to test whether these data provide
evidence to support the claim that the treatments will have different effects?

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