In: Math
In a few more weeks, you will be adding a new member to your family – a 10-week old golden retriever puppy! In previous litters, the average weight of 42 puppies at 10 weeks was 14.8 lbs with a standard deviation of 1.1 lbs.
Find the 90% confidence interval for the average 10-week weight for golden retriever puppies. Show/explain your work, and identify the following:
a. The estimated population mean and degrees of freedom
b. The assumptions you are making for this calculation
c. The critical value for the distribution
d. The margin of error
e. The 90% CI, stated as a complete sentence