In: Statistics and Probability
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Using a sample of 20 people, the testing agency found that 14 of them had better protection than that provided by the competitor. Do you have enough evidence to say/claom that your suncreen lotion provides better protection than the competitiors in a majority of cases? Use alpha = 0.01 to answer.
1. What are the apporiate hypotheses for situation?
2. the appropriate rejection rule is?
3. the calculated value of the appropriate test statistic is?
4. pretend that your test statistic is +4. what can you conclude?
5. WHat is the assumption of this test?