The average person can hold 7+2 digits or bits of information in their short term memory with an SD= 2.What is the variance?
A)9
B)4
C)7
D)None of these

Name: The average person can hold 7+2 digits or bits of information in their short term memory with an SD= 2.What is the variance? A)9 B)4 C)7 D)None of these
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Question

Quizplus · Accepted Answer

Since the standard deviation is given as 2, we know that the variance is simply the square of the standard deviation, which in this case is 2^2 = 4. Therefore, the answer is option B.

The Average Person Can Hold 7+2 Digits or Bits of Information