Posted by tina on Wednesday, November 9, 2011 at 5:54pm.
More data needed.
based on a random sample of 640 college students, the mean amount of sleep college students. construct a 95% confidence interval for the mean amount of sleep per night for college studenrs.
Related Questions
Statistics - (1) Gluten sensitivity, which is also known as wheat intolerance, ...
statistics - 2. Assume that the population proportion of adults having a college...
Statistics - A researcher found a sample proportion of 0.94 for estimating the ...
statistics - Determine the sample size required to estimate a population ...
statistics - A researcher at a major hospital wishes to estimate the proportion ...
statistics - A pollster conducts a survey of a random sample of voters in a ...
statistics - The scores of students on the ACT college entrance examination in ...
Statistics - A confidence interval was used to estimate the proportion of ...
statistics - The Democrat and Chronicle reported that 25% of the flights ...
Stats - Time/CNN voter polls monitored public opinion for the presidential ...
For Further Reading