Which one is correct a b c d
2 answers:
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Answer: 38.41 minutes
Step-by-step explanation:
The standard error for the difference in means is given by :-
where , = Standard deviation for sample 1.
= Size of sample 1.
= Standard deviation for sample 2.
= Size of sample 2.
Let the sample of Latino name is first and non -Latino is second.
As per given , we have
The standard error for the difference in means will be :
Hence, the standard error for the difference in means =38.41 minutes