An oceanographer wants to test, on the basis of the mean of a random sample of size n = 35 and at the 0.05 level of significance, whether the average depth of the ocean in a certain area is 72.4 fathoms, as has been recorded. What will she decide if she gets x = 73. 2 fathoms, and she can assume from information gathered in similar studies that o = 2. 1 fathoms? Instructions: Assume a two-tailed test, in addressing the problem obtain the value of the test statistic and its corresponding p – value up to four decimal places. 23D 1.2511; р — value 0. 0512 Оz- 2.5543; р— value — 0.0523 Ох 3D 2.2537;B р— value = 0.0121 Ох3 2. 2537%; р — - value 0.0242
An oceanographer wants to test, on the basis of the mean of a random sample of size n = 35 and at the 0.05 level of significance, whether the average depth of the ocean in a certain area is 72.4 fathoms, as has been recorded. What will she decide if she gets x = 73. 2 fathoms, and she can assume from information gathered in similar studies that o = 2. 1 fathoms? Instructions: Assume a two-tailed test, in addressing the problem obtain the value of the test statistic and its corresponding p – value up to four decimal places. 23D 1.2511; р — value 0. 0512 Оz- 2.5543; р— value — 0.0523 Ох 3D 2.2537;B р— value = 0.0121 Ох3 2. 2537%; р — - value 0.0242
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Problem 1P
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![An oceanographer wants to test, on the basis of the mean of a random sample of
size n = 35 and at the 0.05 level of significance, whether the average depth of
the ocean in a certain area is 72.4 fathoms, as has been recorded. What will she
decide if she gets x = 73. 2 fathoms, and she can assume from information
gathered in similar studies that o = 2. 1 fathoms?
Instructions: Assume a two-tailed test, in addressing the problem obtain the value of
the test statistic and its corresponding p – value up to four decimal places.
23D 1.2511; р — value
0. 0512
Оz- 2.5543; р— value — 0.0523
Ох 3D 2.2537;B р— value
= 0.0121
Ох3 2. 2537%; р —
- value
0.0242](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7e68c36f-d9ee-4494-bd3c-1eb223c4fc9f%2F3b934c06-39a7-4532-9546-4e5b785d5529%2F3nszts_processed.png&w=3840&q=75)
Transcribed Image Text:An oceanographer wants to test, on the basis of the mean of a random sample of
size n = 35 and at the 0.05 level of significance, whether the average depth of
the ocean in a certain area is 72.4 fathoms, as has been recorded. What will she
decide if she gets x = 73. 2 fathoms, and she can assume from information
gathered in similar studies that o = 2. 1 fathoms?
Instructions: Assume a two-tailed test, in addressing the problem obtain the value of
the test statistic and its corresponding p – value up to four decimal places.
23D 1.2511; р — value
0. 0512
Оz- 2.5543; р— value — 0.0523
Ох 3D 2.2537;B р— value
= 0.0121
Ох3 2. 2537%; р —
- value
0.0242
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