All of the following statements are true about t tests EXCEPT:
A) they involve hypothesis-testing procedures
B) they are used when the population variance is unknown
C) they are used when the population variance is known
D) they compare t scores from a sample to a comparison distribution called a t distribution
Correct Answer:
Verified
Q8: The t test is sometimes called _
Q9: A sample has individuals with scores of
Q10: If a sample has 45 people in
Q11: In the formula for estimating the population
Q12: Suppose the counselor tested the null hypothesis
Q14: If a sample has 27 people in
Q15: A sample has three individuals, with scores
Q16: When estimating the variance of a population
Q17: The _ is a hypothesis-testing procedure used
Q18: For the following question(s): A school counselor
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