Question

The first statistics exam had on both tests. Megan scored 90 on the first exam and 78 on the second. They both totaled 168 po

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Ans:

z scores for Anna:

z1=(84-68)/16=1

z2=(84-85)/4=-0.25

Total of z scores=1-0.25=0.75\approx 0.8

z scores for Megan:

z1=(90-68)/16=1.375

z2=(78-85)/4=-1.75

Total of z scores=1.375-1.75=-0.375\approx -0.4

The total of Anna's z scores is 0.8,which is greater than Megan's total of -0.4

Add a comment
Know the answer?
Add Answer to:
The first statistics exam had on both tests. Megan scored 90 on the first exam and...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT