All of the following are true for both the t test for independent means AND the t test for dependent means, EXCEPT:
A) population variances are estimated from the information in the sample of scores actually studied
B) pretest-posttest experimental designs are common
C) the population means are unknown
D) the sample scores (in some form) are eventually compared to a t distribution
Correct Answer:
Verified
Q1: Consider a study in which the population
Q2: In the formula [t = M1-M2 /SDifference],
Q4: Based on the following results, which would
Q5: You conduct a t test for independent
Q6: In a t test for independent means,
Q7: Consider a study in which the population
Q8: The variance of a distribution of differences
Q9: The comparison distribution for a t test
Q10: When using a t table, the degrees
Q11: In the formula" 
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