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Of the98 participants in a drug trial who were given a new experimental treatment forarthritis, 55 showed improvement. Of the93participants given aplacebo,51 showed improvement. Construct

Of the98 participants in a drug trial who were given a new experimental treatment forarthritis,

55 showed improvement. Of the93participants given aplacebo,51 showed improvement. Construct atwo-way table for thesedata, and then use a 0.05 significance level to test the claim that improvement is independent of whether the participant was given the drug or a placebo.

Complete the followingtwo-way table.

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