Question: In the same academic performance study with 30 participants (15 students at each type of school), the researcher reports that the mean difference in academic

In the same academic performance study with 30 participants (15 students at each type of school), the researcher reports that the mean difference in academic performance

(private – public) was 50 points, with an estimated standard error for the difference of 20. If the null hypothesis states that academic performance will not differ between the schools, then what is the value of the test statistic for these data?

a. 0.400

b. 2.500

c. 11.186

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