Answer: A. The difference of the two means is significant at the 68% confidence level, so the null hypothesis must be rejected.
Step-by-step explanation:
I just got it right on PLATO, so I know it’s 100% correct.
Answer:
a2
Step-by-step explanation:
you're using the pythagorean theorem
The second attachment I solved in your another question.You may refer to that.
#1
Apply Pythagorean theorem
x²=10²-6²
Answer:

Step-by-step explanation:

* The above answer is written in reverse, which is the exact same result.
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