On a standardized verbal skills task, people on average get µ = 15 correct solut
ID: 3202100 • Letter: O
Question
On a standardized verbal skills task, people on average get µ = 15 correct solutions. A psychologist tests n = 7 individuals who have brain injuries in the left cerebral hemisphere. The scores for the seven individuals are 15, 14, 14, 16, 12, 11, and 15. What statistical test should be used to determine whether left cerebral hemisphere damage results in reduced performance on the verbal skills task?
single-sample z-test
single-sample t-test
independent-measures t-test
single-sample z-test
single-sample t-test
independent-measures t-test
Explanation / Answer
Solution:-
Single sample t-test will be used.
The size of the sample is small i.e 7 and population standard deviation is not given so we will use the single sample t-test.
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