IMSE2133
Worksheet 8
Click Link Below To Buy:
Contact
Us:
Hwcoursehelp@gmail.com
The weights of 9 bags of rice are 10, 9, 11, 12, 11,
9, 9, 10 and 9 kg. Assuming
an approximate normal distribution, find a 90% C.I. for the mean of all such
bags.
1. What is the sample mean ? ?
2. What is the sample variance 2 ?
?1
3. What is the degree of freedom ( ? 1) ?
4. What is ?
5. What is /2 ( ? 1)?
IMSE2133
6. What is the confidence interval for ?
Find a 90% C.I. for the standard deviation .
7. What is 2 ( ? 1)?
/2
2
8. What is 1?/2 ( ? 1)?
9. What is the confidence interval for 2 ?
10. What is the confidence interval for ?
an approximate normal distribution, find a 90% C.I. for the mean of all such
bags.
1. What is the sample mean ? ?
2. What is the sample variance 2 ?
?1
3. What is the degree of freedom ( ? 1) ?
4. What is ?
5. What is /2 ( ? 1)?
IMSE2133
6. What is the confidence interval for ?
Find a 90% C.I. for the standard deviation .
7. What is 2 ( ? 1)?
/2
2
8. What is 1?/2 ( ? 1)?
9. What is the confidence interval for 2 ?
10. What is the confidence interval for ?
No comments:
Post a Comment