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1. The prices of 12 randomly chosen homes in dollars (approximated to nearest thousand) in a growing region of Tampa in the summer of 2002 are given below.
176 105 133 140 305 215 207 210 173 150 78 96
Find the mean and standard deviation of the sampled home prices from this area.
2. The following is a sample of nine mortgage companies' interest rates for 30-year home mortgages, assuming 5% down.
7.625 7.500 6.625 7.625 6.625 6.875 7.375 5.375 7.500
(a) Find the mean and standard deviation and interpret.
(b) Find lower and upper quartiles, median, and interquartile range. Check for any outliers and interpret.
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Find a 95% confidence interval for the true proportion of voters who approve of the way the government is being run.
Set up probability distribution by illustrating all x values and their associated probabilities. List sample space of tossing a fair coin.
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Which of following statements would be right concerning a twotail test at 0.05 level of significance? We can conclude that average cottage cheese consumption in America is at least 0.705 pound more or less than 2.75 pounds per person per year.
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