Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
asprague24 asprague24
wrote...
Go to Answer
Posts: 486
Rep: 9 0
4 years ago
A professor was curious about her students' grade point averages (GPAs). She took a random sample of 15 students and found a mean GPA of 3.01 with a standard deviation of 0.534. Which of the following formulas gives a 99% confidence interval for the mean GPA of the professor's students?

▸ 3.01 ± 2.576

▸ 3.01 ± 2.977

▸ 3.01 ± 2.947

▸ 3.01 ± 2.977

▸ 3.01 ± 2.947
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
Authors:
Read 99 times
2 Replies
Replies
Answer verified by a subject expert
dnlee1dnlee1
wrote...
#1
Posts: 357
Rep: 51 0
4 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

asprague24 Author
wrote...
#2
4 years ago
Thanks for your help!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  741 People Browsing
 109 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 165
  
 209
  
 234
Your Opinion
What's your favorite coffee beverage?
Votes: 274
Previous poll results: What's your favorite math subject?