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What is the correct answer to the following questions: Questions are based on, One Sample t Test, and two independent sample t Test A10. A

What is the correct answer to the following questions:

Questions are based on, One Sample t Test, and two independent sample t Test

A10. A researcher reports that the mean difference in the body weight of rats following a

pharmacological versus control treatment is 14 grams, with a pooled sample variance equal

to 256. What is the effect size for this test using estimated Cohen's d?

A) d = 0.06; small effect size

B) d = 0.08; small effect size

C) d = 0.88; large effect size

D) There is not enough information to answer this question

A11. State the critical value(s) for a t test using a 0.05 level of significance in the lower tail only:

t (24).

A. 1.711

B. -1.711

C. 2.064

D. -2.06412.

A12. Which of the following summarizes a t test that was significant and associated with a

large effect size?

A) t (22) = 3.02, p < .05, d = .36

B) t (30) = 1.03, p > .05, d = .20

C) t (60) = 1.76, p > .05, d = .45

D) t (12) = 2.95, p < .05, d = .82

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