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1. Which slope is more significant when I am predicting the selling price of homes based on the size of the home?
A. $64 per square footB. $0.44 per square inchC. They are both equally significant.
2. How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below.
The slope of the regression equation isA. -204.74.B. 5.0918.C. 12.02.
3. How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below.
R-sq tells us thatA. 61.6% of the variability in Weight was explained by the model.B. 61.6% of the variability in Weight has been eliminated.C. 61.6% is not a strong relationship.
Find out optimal decision
Estimate the population mean
The conservative degrees of freedom for the t distribution are and The standard error, conservative degrees of freedom
For all questions, clearly explain/show your answers. For the Analysis section, justify your answers with the appropriate graphs, statistics, equations, etc.
Which of the following assumptions for inference about a proportion using a confidence interval are violated,
Investigate the cost of a home mortgage and to determine the monthly payment.
The sample mean of the number of spots on the 6000 rolls, should be about If this die is rolled 6000 times, the number of times we get a 2 or a 3 should be about
A radio station wants to know if residents in their area are in favor of a proposed tax increase. They invite listeners to call in to respond to the poll. 645 of the 800 who responded were against the tax.
Answer all of these questions using R Commander. Include all graphs, outputs from R Commander.
Caselet on McDonald’s vs. Burger King - Waiting time
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Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
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