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Help with the following business question.
What is the Coefficient of Correlation between square footage and listing price?
Does your Coefficient of Correlation seem consistent with your answer to #2 above? Why or why not? What proportion of the variation in listing price is determined by variation in the square footage? What proportion of the variation in listing price is due to other factors?
Which type of ANOVA should you use to analyze these data, and why should you choose this type of ANOVA? Analyze your data, being sure to interpret your results and explain your reasons for declaring them significant or not significant.
the computer chips in notebook and laptop computers are produced from semiconductor wafers. certain semiconductor
for each of the following statements give the null hypothesis ho and the alternate hypothesis h1.1. the mean
The foreman at a large plant estimates defective parts about 1.5% of the time. If the plant produces 25,000 parts in a week, what is the standard deviation (to the nearest tenth) for the number of defective parts?
A football team has a probability of .75 of winning when playing any of the other four teams in its conference. If the games are independent, what is the probability the team wins all its conference games?
Which measure of association do you use to compare the relationship between these variables? Why?
he population consists of all 15 year olds living in the attendance district of a local high school. You plan to obtain a simple random sample of 200 such residents by using the roster of the high school as the sampling frame.
Formulate the hypotheses to test to see if the mean of the population is at least 12 ounces.
What sample size would be necessary to estimate the true weight with an error of +/- 0.03 grams with 90 percent confidence?
a researcher wishes to test the effectiveness of a flu vaccination. 150 people are vaccinated 180 people are vaccinated
What are the critical values for z on a one-tailed test if alpha = .01? .001? What would the critical values be at both levels of significance if it was a two-tailed test?
the weight of an ice-cream shops sundae special is known to be normally distributed with a mean of 0.5 pounds and a
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