Answer:
The appropriate answer is "0.0124".
Step-by-step explanation:
Given:
Test statistics,
z = 2.5
By using the z-table,
p value for one tailed test will be:
= 0.0062
For two-tailed test,
⇒
Answer:
92
Step-by-step explanation:
Let x represent the mean test scores of each female student.
The total scores of 15 female students would be .
We have been given that the 17 male students in the class had a mean score of 60.
The total scores of 17 male students would be .
We know that mean is equal to sum of data divided by total numbers in data set.
We are told that a class of 32 students has a mean test score of 75.
Therefore, the mean score for the 15 female students was 92.