Question
hoose the one alternative that best completes the statement or answers the question. Compare the scores:...
hoose the one alternative that best completes the statement or answers the question.
Compare the scores:
- A score of 88 on a test with a mean of 79
- A score of 78 on a test with a mean of 70
|
A score of 88 with a mean of 79 |
||
|
A score of 78 with a mean of 70 |
||
|
The two scores are statistically the same. |
||
|
You cannot determine which score is better from the given information |
Homework Answers
Answer #1
Solution:
Answer is
You cannot determine which score is better from the given information.
Explanation:
To compare the two different scors from different tests , we need to compute z score.
z score = 
where 
is the mean and 
is the standard devation.
In given question
is not given. so answer is
You cannot determine which score is better from the given information.
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