STA310H5 Quiz: STA310assign4
Document Summary
The first 4 questions refer to the file heights. xlsx", data about the heights (in cm) of adult females who live on planet vesta (the values are all simulated). Although r can easily crank out confidence intervals, please work through the following exercises to be sure you understand confidence intervals. You can use r to calculate sample means, variances and standard deviations. Given our data: the width of the confidence interval gives us an idea of the __________ of our estimate of , the above, however, will not be reliable when , work with the data in sample2. Does this interval support your answer to a): a theory predicts that the mean height of planet vesta women should equal 158. Using the confidence interval from b), what do you say about that theory: work with the data in sample3. Does this interval support your answer to a: consider making a 99% confidence interval for the mean.
