Question

In: Math

2. Using your answers from question 1, determine the following confidence intervals for the population standard...

2. Using your answers from question 1, determine the following confidence intervals for the population standard deviation:

(a) 90%

(b) 95%

(c) 99%

QUESTION 1:

Question 1: 1. Consider the following sampled data: s 2 = 906.304, n = 31. Calculate the following confidence intervals for the population variance: (a) 90% (b) 95% (c) 99%

Solutions

Expert Solution

We are given,

The formula for population variance:

NOTE:- We need to look up at the chi-square table with a degree of freedom = 30 with their respective confidence level.

===================================================================================================================================

NOTE:- Answers may be differed from answer to answer by some due to decimal rounding.

======================================================================================================================

milcah answered 1 year ago
Next > < Previous

Related Solutions

Question 2: Please write 2 different questions and their answers about Confidence Intervals. Question 3: Please...
Question 2: Please write 2 different questions and their answers about Confidence Intervals. Question 3: Please give a brief explanation how you use statistics in your studied field.
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard...
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard deviation sigma. Assume the sample is taken from a normally distributed population. cequals0.95​, sequals34​, nequals15
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard...
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard deviation sigma. Assume the sample is taken from a normally distributed population. c=0.95​, s=39​, n=16
Use technology to construct the confidence intervals for the population variance σ2 and the population standard...
Use technology to construct the confidence intervals for the population variance σ2 and the population standard deviation σ. Assume the sample is taken from a normally distributed population. c=0.90​ s=33​ n=20 The confidence interval for the population variance is (_, _ ) ​(Round to two decimal places as​ needed.) The confidence interval for the population standard deviation is (_, _ ) ​(Round to two decimal places as​ needed.)
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard...
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard deviation sigmaσ. Assume the sample is taken from a normally distributed population. cequals=0.95 ssquared2equals=12.96 nequals=25
Use technology to construct the confidence intervals for the population variance σsquared2 and the population standard...
Use technology to construct the confidence intervals for the population variance σsquared2 and the population standard deviation sigmaσ. Assume the sample is taken from a normally distributed population. c=0.99, s=33​, n=16 a) The confidence interval for the population variance is (_,_) ?? b) The confidence interval for population standard deviation is (_,_) ?? Please explain how you got these answers for a thumbs up!! Thanks :)
Use technology to construct the confidence intervals for the population variance σsquared2 and the population standard...
Use technology to construct the confidence intervals for the population variance σsquared2 and the population standard deviation sigmaσ. Assume the sample is taken from a normally distributed population. c=0.99, s=33​, n=16 a) The confidence interval for the population variance is (_,_) ?? b) The confidence interval for population standard deviation is (_,_) ?? Please explain how you got these answers for a thumbs up!! Thanks :)
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard...
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard deviation sigmaσ. Assume the sample is taken from a normally distributed population. c equals=0.99 s equals=35​ nequals=20
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard...
Use technology to construct the confidence intervals for the population variance sigmaσsquared2 and the population standard deviation sigmaσ. Assume the sample is taken from a normally distributed population. c=0.99, s =35, n=19 What is the confidence interval for the population variance? What is the confidence interval for the population standard deviation?
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard...
Use technology to construct the confidence intervals for the population variance sigmasquared and the population standard deviation sigma. Assume the sample is taken from a normally distributed population. cequals0.98​, ssquaredequals23.04​, nequals25
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT