Question

In: Statistics and Probability

Find the left and right critical values used in the confidence interval for the ratio of...

Find the left and right critical values used in the confidence interval for the ratio of the population variances given the following sample statistics. Round your answer to four decimal places.

n1=7, n2=18, s12=29.226, s22=24.355, 95% level of confidence

Solutions

Expert Solution

At 95% confidence interval the critical values are

F() = F(0.025, 6, 17) = 0.1915

F() = F(0.975, 6, 17) = 3.2767

                        

                      

                            

                               

                                 


Related Solutions

Find the left and right critical values used in the confidence interval for the ratio of...
Find the left and right critical values used in the confidence interval for the ratio of the population variances given the following sample statistics. Round your answer to four decimal places. n1=15 , n2=19, s12=74.923, s22=44.864, 95% level of confidence
Find the left and right critical values used in the confidence interval for the ratio of...
Find the left and right critical values used in the confidence interval for the ratio of the population variances given the following sample statistics. Round your answer to four decimal places. n1=12, n2=11, s12=4.822, s22=2.803, 95% level of confidence
Find the critical values for a 90% confidence interval using the chi-square distribution with 6 degrees...
Find the critical values for a 90% confidence interval using the chi-square distribution with 6 degrees of freedom. Round the answers to three decimal places. The Critical values are _____ and ______.
Find the confidence interval for the given values of ?, ?, ?⎯⎯⎯, and confidence level. ?=2.1,...
Find the confidence interval for the given values of ?, ?, ?⎯⎯⎯, and confidence level. ?=2.1, ?=30, ?⎯⎯⎯=4.5, confidence = 0.92 Enter your answer by filling in the blanks ( ____ , ____ ). Round final answers to 2 decimal places.
Find the confidence interval for the given values of ?, ?, ?⎯⎯⎯, and confidence level. ?=21,...
Find the confidence interval for the given values of ?, ?, ?⎯⎯⎯, and confidence level. ?=21, ?=42, ?⎯⎯⎯=53, confidence = 0.89 Enter your answer by filling in the blanks ( ____ , ____ ). Round final answers to 2 decimal places.
Determine the critical values for the confidence interval for the population variance from the given values....
Determine the critical values for the confidence interval for the population variance from the given values. Round your answers to three decimal places. n=26 and c=0.9.
1) In order to find a 89% confidence interval we need to find values a and...
1) In order to find a 89% confidence interval we need to find values a and b such that for Z ~ N (mu=0, sigma=1), P(a<Z<b)=0.89. (a) Suppose a= -2.8418. Then b=____? (b) Suppose b=2.036. Then a=____?
Find the critical value zc that is necessary to form a confidence interval at the level...
Find the critical value zc that is necessary to form a confidence interval at the level of confidence shown below. c=0.81 zc=
Find the critical value corresponding to a sample size of 9 and a confidence interval of...
Find the critical value corresponding to a sample size of 9 and a confidence interval of 99%. (Draw the graph) WRITE NEATLY
Find the critical value t* for the following situations. ​a) a 95​% confidence interval based on...
Find the critical value t* for the following situations. ​a) a 95​% confidence interval based on df=19 ​b) a 90​%confidence interval based on df=9
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT