For the t ratio, the only time a negative t value may occur is ...

[dmcintosh]

For the t ratio, the only time a negative t value may occur is when
 
  a. sample mean 1 is smaller than sample mean 2
  b. sample mean 2 is smaller than sample mean 1
  c. the sample means are equal
  d. none of these, since t may never be negative

Question 2

Calculate the means for each group
 
  What will be an ideal response?

[scottmt]

Answer to Question 1

a

Answer to Question 2

Ma= 5.300 Mb= 7.700

[dmcintosh]

Thanks for the timely response, appreciate it

[Jsherida]

Great answer, keep it coming