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Show all work. A disc jockey has 10 songs to play. Four are slow songs, and six are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 10 songs if
The songs can be played in any order.The first song must be a slow song and the last song must be a slow song.The first two songs must be fast songs.
State the Null Hypothesis and the Alternative Hypothesis. Determine the test statistic. Determine the P-value
Out of a random sample of 33 women, 23 ranked fresh fruit in their top five snack choices. Is there a difference in the proportion of men and women who rank fresh fruit in their top five list of snacks?
Do you benefit by using a cum sum chart rather than a control chart?
A random sample of 15 college graduates revealed that they worked an average of 5.3 years on the job before being promoted. The sample standard deviation was 1.2 years. Using the 0.95 degree of confidence, what is the confidence interval for the p..
Construct a 90% confidence interval on the difference in fraction nonconforming between the two processes."
Use traditional hypothesis test approach. Draw a graph showing the test statistic and critical values. Assume the population has a distribution that is approximately normal and that the sample is a simple random sample.
If the sum of squares total is 800 and the sum of squares error is 170. What is the r-squared value?
State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
Bivariate data for the quantitative variables x and y are given in the attached. These data are plotted in a scatter plot. Sketch an approximation of at the least-squares regression line for the data.
Coke cans: n=36, mean of values in sample = 12.19 oz., s= 0.11 oz. Test the claim that the mean equals 12 oz. Use a significance level of alpha = 0.02.
What is the purpose of a Wilcoxon signed-rank test? Explain. The Wilcoxon signed-rank test resembles which parametric test(s)? Explain.
Testing equality of two means - difference in performance of the two gasolines and difference in gasoline mileage output
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