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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.
A simple random sample is found to be (0.7, 2.1). Can we conclude that 90% of households have between 0.7 and 2.1 children? Justify your answer.
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two sampl..
Suppose that 20% of the population has high blood pressure. If 7 people are randomly selected off the street, what is the probability that more than 4 of them do not have high blood pressure?
1. What is your point estimate for the population proportion? 2. What is the critical value for a 90% Confidence Interval of the population proportion? Is your Critical Value a Z-score or a T-score? How did you determine which to choose?
Given that this sample is extremely large, can the responses be considered to be representative of the population of the United States? Explain.
The first letter is not a vowel and the second and third letters selected are vowels.
how many different seven-digit phone numbers can be generated provided that the first digit cannot be zero? explain
If the decision in the hypothesis test of population correlation is to reject the null hypothesis, what can we conclude about the population correlation.
It will be a problem with at least three (3) constraints and at least two (2) decision variables. The problem will be bounded and feasible. It will also have a single optimum solution (in other words, it won't have alternate optimal solutions). Th..
For each of the two factors (age at first live birth and age at meno- pause), calculate the generalized odds and give your interpretation. How does this result compare with those in part (a)?
What is the probability that the number of granite selected for analysis is within 1 standard deviation of it means value.
question where do cfos get their money news? according to robert half international 47 get their money news from
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