Suppose we were to gather a random sample of 31 observations from a population and wished to calculate a 95% confidence interval for the mean, µ, in the case where the population standard deviation, σ, is unknown. enter the value from the student's t distribution that we would use, to three decimal places.

Do 12/14 and 8/10 have the same value? explain your answer.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%