Homework answers / question archive / the question up top, the rest is an example

the question up top, the rest is an example

Statistics

Share With

the question up top, the rest is an example. It's comparing two populations

91 comparing two populations Part 1 11/03/2020 Part 2 11/04/2020 Homework Due date 11/12/2020 Consider the data on crude oil production in California between 1981 and 2020. Compare X = production in February and Y = production in September, for the years 1981 to 1995 following our example below. Find 99% confidence intervals. First, assume that population variances are known and that X and Y are independent. Second, determine if the data gives support for the idea that X and Y may be independent. And lastly, assume the population variances are unknown and that X and Y are dependent.