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A group of 14 friends got together for a wine contest. Each guest brought his or her favorite bottle of pinot noir. Each wine was tasted by all 14 guests and scored on a scale from 1 (poor) to 20 (excellent). On this scale, a score of 10.5 would be average. Below are the results for Hunterdon Pinot Noir Santa Lucia Highlands, one of the less expensive wines. Use the Runs Test to test the hypothesis that this wine is "above average" at a level of ? = 0.10.
Taster
Score
Felix
15
Savannah
Gaby
9
Andrea
12
Michelle
Rory
14
Maggie
13
Carl
16
Amy
8
Seth
10
Jay
18
Dan
Simon
17
Helen
She wants to test H0: μ = 0.5 Ha: μ ≠ 0.5 Find the associated P-value. Is the result significant at the 5% level (α = 0.05)? At the 1% level (α = 0.01)?
Complete the procedure on each of 36 occasions. Assuming we wich to be 99% certain of avoiding a Type I error, use these data to evaluate the union's claim.
Scale with a standard deviation of 10. Calculate and interpret the 90 precent confidence interval for the pipulation mean level of satisfaction.
Problem based on combinatory - how many different license plates are possible?
1 the average score for male golfers is 95 and the average score for female golfers is 106 golf digest april 2006.
an important application of regression analysis in accounting is in the estimation of cost. by collecting data on
The following table shows SAT scores (on the old SAT with only two sections) for a sample of students. Give the equation of the least squares regression equation.
A popular snack is packed by machine into 9-ounce boxes. The distribution of box weights is normally distributed with a mean of 9 ounces and a variance of 0.01 ounces. What is the probability of randomly selecting a box containing less than 8.9 ou..
Suppose that you selected 50 samples of households. What is the expected shape of the distribution of the sample mean? What is the likelihood of selecting a sample with a mean of at least $112,000?
A private medical clinic wants to estimate the true mean annual income of its patients. If the confidence level is 95%, find the required sample size in order to meet the needs.
What does confidence interval tell you? What does it mean? What 2 things can a researcher do to decrease width of a confidence interval? What are the effects?
Females aged 50 and over are approximately normally distributed with a mean of 250 mg/dL and a standard deviation of 30 mg/dL. What is Mrs. Brown's cholesterol level?
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