Ask a New Question

Question

construct a 95% confidence interval estimate for the population mean MPG of 2010 family sedans, assuming a normal distribution.
11 years ago

Answers

PsyDAG
Necessary data missing. Mean? SD? Number in sample?

95% = mean ± 1.96 SEm

SEm = SD/√n
11 years ago

Related Questions

Construct a 95% confidence interval for the population mean. 5. Airfare A random sample of airfare p... Construct a 95% confidence interval for population mean: My friends measured 40 fish and found that... construct a 95% confidence interval for the difference betwen the proportions of high-school student... Construct a 99% confidence interval for the population mean, ì. Assume the population has a normal d... Construct a 99% confidence interval for life expectancy of a new GE light bulb. 64 bulbs are randoml... Construct a 95% confidence interval about null if the sample size n is 34 lower bound Upper bound Construct a 95% confidence interval about if the sample size is 34 4. Construct a 90% confidence interval for the sample mean based on the following data x̄ =145,n=90,... Construct the 99.5% confidence interval for the difference pv1-pv2 when xv1=40, nv1=70, xv2=15 and n...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use