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The American College of Cardiologists claims that the mean number of grams of fat in the popular M.I. Burger sold at Burgers To Die For is 24 grams with σ = 5 grams. If a sample of 50 M. I. Burgers is taken, what is the probability that the sample mean is 25 grams or more?
When answering this question on an assignment, you said n=10. Im confused as to why you said this/where this came
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcox on rank-sum test, evaluate the significance of the results, assuming there are no ties.
Furthermore, assume that the standard deviation of the population is $0.14. The value of the test statistic for this hypothesis test and the p-value respectively are?
You can estimate the sampling distribution of y mean (y with a - on top) by repeatedly taking samples of size n with replacement from the list of sample values.
Inspect table produced in question 2 above. Comment on relative sensitivity of minimum sample size to actual proportion and to desired half width.
A random sample of 150 voters yields 87 who support her. The candidate wishes to test her claim at the 0.05 level of significance. Compute the value of test statistic.
A random sample of 20 patients in a weight loss clinical trial lost an average of 25 pounds over an 8 week period. The sample standard deviation is 10.
If 50 different homes are randomly selected, find the probability that their mean energy consumption level for September is greater than 1075 KWh.
One advantage of the repeated measures ANOVA is that it eliminates "individual differences" as a source of variability. Explain why there are no individual differences in the numerator and in the denominator of the F ratio.
Given that the student you choose is a senior, find out the probability of selecting a non-senior?
Probability using Pareto chart - Evaluate the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
Construct a 90% confidence interval for the population proportion p . Does your result agree with your conclusion in part (a)?
Over the interval 9.5 to 12.5 gallons per minute. Find the probability that between 10.0 gallons and 11.0 gallons are pumped during a randomly selected minute.
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