The degrees of freedom are calculated as df = n - 1 when using ...

[bobbie]

The degrees of freedom are calculated as df = n - 1 when using the t-test for comparing two means, where n = n1 + n2.
 
 Indicate whether the statement is true or false

Question 2

If a brand has an exclusive image and distribution chain, it needs to promote it as much as possible.
 a. True
  b. False
 Indicate whether the statement is true or false

[emilymalinowski12]

Answer to Question 1

F
In a test of two means, degrees of freedom are calculated as df = n - k, where n = n1 + n2 and k = number of groups.

Answer to Question 2

False

[bobbie]

TYSM

[xiaomengxian]

Thanks for the timely response, appreciate it