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There are examples of deceptive statistics everywhere - visual data presentations (charts/graphs)-from magazines to newspaper articles. Locate a particularly outrageous chart/graph and interview people in your company about the message they interpret from this example. Ask them the purpose of the statistics/research--chart/graph, the strengths and weaknesses of the chart/graph and if are they convinced or suspicious of its findings. What would they recommend to make the results more credible (if anything)?
For full marks use the coded method and round your answer to 1 decimal place.Find the slope for the trend-line.What is the intercept of the trend-line.
Cheating Gas Pumps When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1299 were not accurate (within 3.3 oz when 5 gal is pumped), and 5686 were accurate.
Both days have sample standard deviations of 3.4. Is the average mean of size different from day 1 to day 2?
A robot, when working properly, produces 5% or less defective items. whenever the robot produces more than 5% defective items, needs repair.
The data given below represent the annual gross revenue (N'millions) obtained by a telephone company over the periods 1987 - 1996:
A researcher used stepwise regression to create regression models to predict BirthRate (births per 1,000) using five predictors: LifeExp (life expectancy in years), InfMort (infant mortality rate), Density (population density per square kilometer (Gr..
Based on a scatter diagram, would you estimate the linear correlation coefficient to be:
Perform the indicated test of hypothesis. HO: M 7, given x= 0.01, N=25, Xbar = 7.019 and SD is =.1681. Assume the sample is selected from a normally distributed population.
hono golf is a manufacturer of golf products in taiwan and china. one of the golf accessories it produces at its plant
The claim that ""40% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable job was available" is to be investigated at the 0.02 level of risk.
Construct a 89% confidence interval estimate of the overall percentage of the B.C. population in favour of such a casino and what size of sample would be required to do this
397 of 514 randomly selected u.s. adults interviewed said they would not be bothered if the national security agency
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