Author Question: Given the following summary statistics for the mean calcium uptake for two methods, what would be ... (Read 67 times)

Kthamas · **on:** Jul 24, 2018

Given the following summary statistics for the mean calcium uptake for two methods, what would be the degrees of freedom for a two-sample t test of

if

?

a.df = 8
b.df = 7
c.df = 5
d.df = 9

Question 2

From the following Minitab output, what can be concluded regarding the difference in the mean PO₂ levels for the two populations?

a.The control and treatment groups are not significantly different at the

significance level.
b.The control and treatment groups are not significantly different at the

significance level.
c.The mean of the control group is significantly higher than the mean of the treatment group at the

significance level.
d.The mean of the control group is significantly lower than the mean of the treatment group at the

significance level.

Jossy · **Reply #1 on:** Jul 24, 2018

Answer to Question 1

correct: a

Answer to Question 2

correct: d

Kthamas · **Reply 2 on:** Jul 24, 2018

Thanks for the timely response, appreciate it

isabelt_18

Great answer, keep it coming