What is another name for trisomy-21?
a. non-sex-linked-21
b. intellectual disability
c. Edward's syndrome
d. Down syndrome
Answer: D
Psychology
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Two samples each have n = 4 scores. If the first sample has a variance of 10 and the second sample has a variance of 6, what is the estimated standard error for the sample mean difference?
a. 1 b. 2 c. 4 d. Cannot determine without more information
Psychology
To estimate that probability that the next vehicle to leave the parking lot will be a silver pickup, we first need to
a. assume that the color and the type of vehicle are mutually exclusive. b. assume that the color and the type of vehicle are independent. c. assume that the color and the type of vehicle are exhaustive. d. simply multiply the two probabilities.
Psychology