A researcher wished to show that the success rate using her method (call it meth

Question

A researcher wished to show that the success rate using her method (call it method 1) was higher than the success rate of the standard method (call it method 2). She collected data using both methods, computed a test statistic, and found a P-value of .02. The test is conducted at the 5% significance level.  Which of the following is an appropriate conclusion?

The data show that her method has the same success rate as the standard method.

There is sufficient evidence to conclude that the success rate is higher with her method than with the standard method.

The probability is .02 that her method is better than the standard method.

The results of the test are not statistically significant.

The data show that her method has the same success rate as the standard method.

There is sufficient evidence to conclude that the success rate is higher with her method than with the standard method.

The probability is .02 that her method is better than the standard method.

The results of the test are not statistically significant.

Explanation / Answer

Since the p value she obtained is less than the level of significance, the null hypothesis is rejected, so it is concluded that there is sufficient evidence to conclude that the success rate is higher with her method than with the standard method.

So, the second option is the correct one.

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