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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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palacir999 palacir999
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6 years ago
It is believed that the median yearly income in a suburb of Atlanta is 70,000 . A sample of 67 residents was taken. Thirty-eight had yearly incomes above 70,000, 26 had yearly incomes below 70,000, and 3 had yearly incomes equal to 70,000 . The null hypothesis to be tested is H0: Median = 70,000. The mean and the standard deviation (respectively) for this test about the median are
 a. 32 and 4.
  b. 32 and 16.
  c. 33.5 and 4.
  d. 33.5 and 16.
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sophiakhalid12sophiakhalid12
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6 years ago
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palacir999 Author
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6 years ago
this is exactly what I needed
Ivansitospeed@g
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Yesterday
Good timing, thanks!
ediblefruitz
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2 hours ago
Smart ... Thanks!
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