Question
In: Statistics and Probability
For a recent year, the mean fare to fly from Charlotte, North Carolina to Chicago Illinois,...
For a recent year, the mean fare to fly from Charlotte, North Carolina to Chicago Illinois, on a discount ticket was $290. A random sample of 12 round trip discount fares on this route last month shows:
|
286 |
290 |
285 |
291 |
287 |
275 |
262 |
289 |
274 |
276 |
297 |
262 |
At the 0.01 significance level, can we conclude that the mean fare has decreased? What is the p value?
- State the Null and Alternate hypothesis:
- State the test statistic:
- State the Decision Rule:
- Show the calculation:
- What is the interpretation of the sample data?
- Show the P value
Solutions
orchestra answered 2 years agoRelated Solutions
For a recent year, the mean fare to fly from Charlotte, North Carolina to Chicago Illinois,...
For a recent year, the mean fare to fly from Charlotte, North
Carolina to Chicago Illinois, on a discount ticket was $290. A
random sample of 12 round trip discount fares on this route last
month shows: 286 290 285 291 287 275 262 289 274 276 297 262 At the
0.01 significance level, can we conclude that the mean fare has
decreased? What is the p value?
1. State the Null and Alternate hypothesis:
2. State the test statistic:...
For a recent year, the mean fare to fly from Charlotte, North Carolina to Chicago Illinois,...
For a recent year, the mean fare to fly from Charlotte, North
Carolina to Chicago Illinois, on a discount ticket was $290. A
random sample of 12 round trip discount fares on this route last
month shows:
286 290 285 291 287 275 262 289 274 276 297
262
At the 0.01 significance level, can we conclude that the mean
fare has decreased? What is the p value?
1. State the Null and Alternate hypothesis:
2. State the test statistic:...
Problem 2: For a recent year, the mean fare to fly from Charlotte, North Carolina to...
Problem 2:
For a recent year, the mean fare to fly from Charlotte, North
Carolina to Chicago Illinois, on a discount ticket was $290. A
random sample of 12 round trip discount fares on this route last
month shows:
286
290
285
291
287
275
262
289
274
276
297
262
At the 0.01 significance level, can we conclude that the mean
fare has decreased? What is the p value?
State the Null and Alternate hypothesis:
State the test statistic:...
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A major cab company in Chicago has computed its mean fare from
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A major cab company in Chicago has computed its mean fare from O'Hare Airport to the...
A major cab company in Chicago has computed its mean fare from
O'Hare Airport to the Drake Hotel to be
$
28.99
, with a standard deviation of
$
3.79
. Based on this information, complete the following statements
about the distribution of the company's fares from O'Hare Airport
to the Drake Hotel.
(a) According to Chebyshev's theorem, at least ?56%75%84%89% of
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March 1
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May 1
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