One sample with n = 4 scores has a mean of M = 12, and a second sample with n = 6 scores has a mean of M = 8. If the two samples are combined, what is the weighted mean for the combined set of scores?
A) ?4.8
B) ?9.6
C) ?10.0
D) ?19.2
B
Psychology
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A) Fearful-avoidant B) Anxious C) Dismissing D) Both A and B E) Both B and C
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Indicate whether the statement is true or false.
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_____, also called German measles, is a viral infection passed on from the mother to the fetus that can cause birth defects such as deafness, intellectual disabilities, blindness, and heart disease in the embryo
A) Rubella B) Syphilis C) Cystic fibrosis D) Phenylketonuria
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