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Finding the value of test statistic and P-value also interpret the result.
In the year 2003 the mean fare to fly from Charlotte, North Carolina, to Seattle, Washington, on a discount ticket was $267. A random sample of round-trip discount fares on this route last month gives:
$321.00
$286.00
$290.00
$330.00
$310.00
$250
$270
$280
$299
$265
$291
$275
$281
At the .01 significance level can we conclude that the mean fare has increased?
What is the p-value?
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
Choosing the appropriate the sampling design for the given data
Should Katie conduct a between-subject ANOVA or a within-subject ANOVA? Describe your answer.
The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.
Illustrate for what value does probability XYZ will offer a competing product will ABC be indifferent among the alternatives.
For following scores determine values of each expression: X: 4, 2, 1, & 5. åX, åX 2 , (åX) 2 , å(X-1).
Find the probability of exactly 6 Mexican-Americans among 12 jurors.
Explain the results plot the original data and the fitted regression equations.
Then explain your answer to someone who has never had course in statistics (but who is familiar with mean, standard deviation, and Z scores.)
Solve the mean and standard deviation equations
Interpret the correlation between each set of variables.
To determine whether the mean is greater than 16 ounces using large sample test.
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