A retrospective study of 159 pairs of twins was performed. The twin pairs each had one...

70.2K

Verified Solution

Question

Basic Math

A retrospective study of 159 pairs of twins was performed. Thetwin pairs each had one male child and one female child. Theirbirth weights were studied to determine if the male twin wasconsistently heavier.
The difference in weights was calculated by subtracting thefemale weight (in ounces) from the male weight (in ounces):
d=xm-xf
After looking at 159 pairs of twins, the study finds the 99%confidence interval for the mean difference of weights (in ounces)is:
2.4 < ?d < 6
Can we be reasonably sure that the male twins are heavier thanthe females?
Yes
No
Why or why not?

Answer & Explanation Solved by verified expert

4.1 Ratings (676 Votes)

Solution Given The twin pairs each had one male child and one female child Their birth weights were studied to determine if the male twin was consistently heavier The difference in weights was calculated See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member