A mayor running for re-election claims that during his term, average municipal taxes have fallen by $100. A conscientious statistician wants to test this claim. He surveys 42 of his neighbors and finds that their taxes decreased (in dollars) as follows: 95, 117, 94, 108, 102, 102, 96, 85, 99, 113, 105, 93, 96, 110, 115, 98, 90, 109, 105, 82, 95, 79, 107, 114, 103, 95, 113, 86, 84, 105, 127, 101, 94, 108, 112, 104, 88, 97, 114, 93, 101, 109 The statistician assumes a population standard deviation of $10. Do you think the statistician should reject the mayor's claim? Why or why not? Step 1: State the hypothesis. 100 Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are normally distributed v o with distribution mean 100 o and distribution standard deviation Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. P(X = P(zv ) =
A mayor running for re-election claims that during his term, average municipal taxes have fallen by $100. A conscientious statistician wants to test this claim. He surveys 42 of his neighbors and finds that their taxes decreased (in dollars) as follows: 95, 117, 94, 108, 102, 102, 96, 85, 99, 113, 105, 93, 96, 110, 115, 98, 90, 109, 105, 82, 95, 79, 107, 114, 103, 95, 113, 86, 84, 105, 127, 101, 94, 108, 112, 104, 88, 97, 114, 93, 101, 109 The statistician assumes a population standard deviation of $10. Do you think the statistician should reject the mayor's claim? Why or why not? Step 1: State the hypothesis. 100 Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are normally distributed v o with distribution mean 100 o and distribution standard deviation Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. P(X = P(zv ) =
MATLAB: An Introduction with Applications
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please help me solve step 2 and 3. i already answered some question. topic os known standard deviation. thanks
![A mayor running for re-election claims that during his term, average municipal taxes have fallen by $100. A
conscientious statistician wants to test this claim. He surveys 42 of his neighbors and finds that their taxes
decreased (in dollars) as follows:
95, 117, 94, 108, 102, 102, 96, 85, 99, 113, 105, 93, 96, 110, 115, 98, 90, 109, 105, 82, 95, 79, 107, 114,
103, 95, 113, 86, 84, 105, 127, 101, 94, 108, 112, 104, 88, 97, 114, 93, 101, 109
The statistician assumes a population standard deviation of $10. Do you think the statistician should reject
the mayor's claim? Why or why not?
Step 1: State the hypothesis.
100
Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem.
By the Central Limit Theorem, we know that the point estimates are normally distributed v
os with
distribution mean 100
os and distribution standard deviation
Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate.
P(X
P(zv
) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0fbd66f-2d7d-41f9-991c-d922d89aad8b%2Fea436700-379a-4962-b5db-d080e116e1ca%2Fdxdo8zn_processed.png&w=3840&q=75)
Transcribed Image Text:A mayor running for re-election claims that during his term, average municipal taxes have fallen by $100. A
conscientious statistician wants to test this claim. He surveys 42 of his neighbors and finds that their taxes
decreased (in dollars) as follows:
95, 117, 94, 108, 102, 102, 96, 85, 99, 113, 105, 93, 96, 110, 115, 98, 90, 109, 105, 82, 95, 79, 107, 114,
103, 95, 113, 86, 84, 105, 127, 101, 94, 108, 112, 104, 88, 97, 114, 93, 101, 109
The statistician assumes a population standard deviation of $10. Do you think the statistician should reject
the mayor's claim? Why or why not?
Step 1: State the hypothesis.
100
Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem.
By the Central Limit Theorem, we know that the point estimates are normally distributed v
os with
distribution mean 100
os and distribution standard deviation
Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate.
P(X
P(zv
) =
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