22. The average income in a certain area is assumed to be approximately $25,000. A sample of size n = 30 gives a mean of

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answerhappygod
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22. The average income in a certain area is assumed to be approximately $25,000. A sample of size n = 30 gives a mean of

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22 The Average Income In A Certain Area Is Assumed To Be Approximately 25 000 A Sample Of Size N 30 Gives A Mean Of 1
22 The Average Income In A Certain Area Is Assumed To Be Approximately 25 000 A Sample Of Size N 30 Gives A Mean Of 1 (90.35 KiB) Viewed 18 times
I chose option d: -2.35 as my answer but it is incorrect. Pleaseshow me the calculation for the correct answer.
22. The average income in a certain area is assumed to be approximately $25,000. A sample of size n = 30 gives a mean of $22,000 and a sample standard deviation of $7,000. Compute the test statistic. a. .43 b. -2.31 C. -.43 d. -2.35
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