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A kinesiologist would like to compare the left hand and right hand gripping strengths of left-handed individuals. A scale is placed on a shelf and gripping strength will be measured by how tightly an individual is able to squeeze the scale with one hand.
Explain how a matched pairs experiment should be conducted to compare left- and right-hand gripping strenghts. Be sure to explain the role of randomization, and why it is important in this experiment.
Develop a 99% confidence interval for the population mean household income, assuming a normal distribution.
Heights are sampled of kids from three schools. Using a 0.05 significance level, if when looking at ANOVA results, your p-value is 0.04, what can you say about your sample data? No minimum word count.
A recent survey by the insurance company showed the following probabilities for the number of bedrooms in each insured home. Find the standard deviation for the distribution.
How much profit/loss would you have since January 1, 2012 if you traded using long only trades beginning with the first signal after January 1, 2012 assuming you close out your position on the last date?
Plot fitted values against residuals. Does this plot point out any problems with homoscedasticity?
In brief describe three situations in which the 'First In First Out' discipline rule is not applicable in queuing analysis. Provide examples of four situations in which there are limited, or finite population.
Is there a significant difference in sales dollars of hats between the west side and east side stores at the 5 percent level of significance? (a) State the hypotheses. (b) State the decision rule and sketch it. (c) Find the test statistic and stat..
A random sample of 100 automobiles has a mean speed of 36 miles per hour and a standard deviation of 5 miles per hour. Is there enough evidence to support the claim at alpha=0.05?
As an illustration, if contestant 1 obtains a smaller value than contestants 2 and 3 but contestant 4 has a smaller value than contestant 1 (X4 n) as a function of n.
Based on the results of the test, can the consumer group report in its next publication that the tires last less than 60,000 miles?
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.
First National Bank and City National Bank are competing for customers who would like to open IRAs. 32 weeks are randomly selected for First National Bank and another 32 weeks are randomly selected for City National.
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