Multiple Choice
Using an independent-measures t, the 90% confidence interval for the difference between two population means ranges from 19 to 23.Based on this confidence interval, you can conclude that the difference between the two sample means is _____.
A) 4 points
B) 19 points
C) 21 points
D) 23 points
Correct Answer:
Verified
Correct Answer:
Verified
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