Astatistics professor wanted to test whether the grades on a statistics test were the same for upper and lower classmen. the professor took a random sample of size 10 from each, conducted a test and found out that the variances are equal. for this situation, the professor should use a t test with related samples.
(a) true
(b) false

False

Step-by-step explanation:

In the above situation where the professor took a random sample of size 10 from each, conducted a test and found out that the variances are equal.  should not use a t test with related samples. The professor should use the t test for the difference in means testing for independence. Hence, the statement is false.

1260=3*6*7*10=3^2*2^2*7*5 perfect cude = 3^3*2^

step-by-step explanation:

the first option i believe

step-by-step explanation: