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More sampling methods
Consider each of these situations. Do you think the proposed sampling method is appropriate? Explain.
a) We want to know if there is neighborhood support to turn a vacant lot into a playground. We spend a Saturday afternoon going door-to-door in the neighborhood, asking people to sign a petition.
b) We want to know if students at our college are satisfied with the selection of food available on campus. We go to the largest cafeteria and interview every 10th person in line.
The natural number 28A9B consists of different numbers and A is not equal to 0. When the number is divided by 9 the remainder is 7 and when it is divided by 5
The system of Advanced Problem AP 10.1 is required to have a percent overshoot less than 13% with a steady state error for a unit ramp input less than 0.125(Kv = 8). Design a proportional plus integral (PI) controller to meet the specifications.
Two different teaching procedures were used on two different groups of students. Each group contained 100 students of about the same ability. At the end of the term, an evaluating team assigned a letter grade to each student. The results were tabu..
the average length of a new born baby is 20 inches with a standard deviation of 1 inch.if n100 what is the mean of the
What is the probability that out of 100 unrelated individuals, exactly 2 are born on January 17? (You may assume equal birth probabilities for each day in the year, and that a year has 365days)
mark gershon owner of a musical instrument distributorship thinks that demand for guitars may be related to the number
in an investigation of the psychometric properties of the criminal sentiments scale css witte et al. 2006 administered
Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?
c. Use a 95% confidence interval to estimate the mean value of y when xρ = 6. Plot the upper and lower bounds of the interval on your scattergram.
every day for 100 days 72 samples were taken of fuses rated at 6a and measures the current that they burn out. a
Find a 95% confidence interval for Niyaki's mean net warranty cost per unit sold (net of the $50 paid for the plan for those who purchase it).
the following data represent the percentage of people without health insurance for the 50 states and the district of
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