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A local newspaper wanted to gather information about house sales in the area. It distributed 25,000 electronic surveys to its readers asking questions about house sales in the past 6 months. Of the surveys sent out, 3.2% were returned. The results found that 92% of people did not sell their house in the past 6 months and 85% of people would expect a loss if they sold their house. The writer wants to use these results to conclude that the housing market is declining, and we are headed for a recession. a. Explain the bias and sampling error in this study. b. Should the writer conclude that the housing market is declining based upon this data? c. Why or why not?
What values can X take on? What values can Y take on?
Prepare a single summary table that shows average and standard deviation of current salary for males and females according to their Position within the company.
1. at the bottom left side of the applet set n equal to 10 and then check the animate box. now click on flip. record
you are expected to complete a project related to inferential statistics. the project must contain the following
Determine the stream function and plot the streamlines and Discretise the expression for the second derivative using the finite difference approach
What are the mean and standard deviation of the sampling distribution of the mean for N = 16
What is the deference between a complete factorial design and an incomplete factorial design and explain the difference between a two-way AMOVA and a three-way ANOVA.
Identify the type of study proposed and indicate its specific strengths and weaknesses
Calculate mortgage rates, production lot size, forecast the demand for the products, track epidemics and their spread, help solve crimes, even help estimate tax revenues.
What proportion of customers say that they will return and rate the restaurant's food as good?
A population proportion is to be estimated. Estimated the minimum sample size needed to achieve a margin of error E=0.01 with a 95% degree of confidence.
Frequency distribution from part a: Find the mean, variance and stand excldeviation and using the frequency distribution from parta: What is the probability of a randomly selected herb to have a height of at least 17 inches?
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