Researchers investigated the effectiveness of oral zinc, as compared to a placebo, in reducing the duration of the common cold when taken within 24 hours of the onset of symptoms. The researchers found those taking oral zinc had a statistically significantly shorter duration (P − value < 0.05) than those taking the placebo. This means that Question 9 options: the probability that the null hypothesis is true is less than 0.05. the results are of practical significance. there is evidence to suggest that taking oral zinc can shorten the duration of the common cold when taken within 24 hours of the onset of symptoms. there is a lack of evidence to suggest that taking oral zinc can shorten the duration of the common cold when taken within 24 hours of the onset of symptoms. we do not reject the null hypothesis at significance level α = 0.05.
Researchers investigated the effectiveness of oral zinc, as compared to a placebo, in reducing the duration of the common cold when taken within 24 hours of the onset of symptoms. The researchers found those taking oral zinc had a statistically significantly shorter duration (P − value < 0.05) than those taking the placebo. This means that
Question 9 options:
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the probability that the null hypothesis is true is less than 0.05. |
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the results are of practical significance. |
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there is evidence to suggest that taking oral zinc can shorten the duration of the common cold when taken within 24 hours of the onset of symptoms. |
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there is a lack of evidence to suggest that taking oral zinc can shorten the duration of the common cold when taken within 24 hours of the onset of symptoms. |
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we do not reject the null hypothesis at significance level α = 0.05. |
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