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Using the data in the Excel file Home Market Value, develop a multiple linear regression model for estimating the market value as a function of both the age and size of the house. Find a 95% confidence interval for the mean market value for houses that are 30 years old and have 1,800 square feet and a 95% prediction interval for a house that is 30 years old with 1,800 square feet.
Would it be sensible to conclude that more than 10% of applicants are now failing the test?
Given sample data arranged in a frequency distribution table. Use Excel to calculate the sample mean and variance from this data set.
Using classical methods discussed in class, try to estimate the probability of winning.
Find out the test statistic P-value, and critical value, and state the final conclusion. The mean IQ score of statistic professors is less than 120. Sample data: n = 46. Suppose that = 17, and the significance level is = 0.05.
What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?
A human society claims that less than 36% of US. households own a dog. In random sample of 397 U. S. households, 151 say they own a dog. At mean=0.03, is there enough evidence to support the society's claim?
95% confidence interval evaluate for proportion of Americans who believe Abraham Lincoln is United States' most outstanding President is 65% to 75%. If more precise estimate is requested, then confidence level.
If probability of drawing a face card is 0.625. Determine the probability of not drawing a face card.
On randomly selected day, let X and Y, respectively, be proportions of time that the drive-in and walk-in facilities are in use. Determine the marginal density of X.
Obtain a test statistic and p-value. Interpret the results at = .01.
Formulate the hypotheses to determine whether or not the lathe is in perfect adjustment.
Perform a parametric analysis by assessing the fractional change in the probability of failure with respect to a small change in the mean and standard deviation of selected variable.
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