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Deceptive Statistics 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)? Make an audio or video clip of your interview and upload it to this cite. Be sure to include a picture of the graph in the discussion forum.
Plot each of the predictors against the response. Plot the predictors against each other. The purpose here is to get a graphical idea of the relationships in the data.
State the null hypothesis. Calculate the difference between the proportions or means. Calculate the standard' error of the difference in proportions or means.
As a rule of thumb a line is considered as a transmission line if the length of the line is greater than one-sixteenth of the wavelength of the electromagnetic wave. Based on this rule of thumb
what is the significance of hypothesis in research? what are type i and ii errors inhypothesis
question 1 a normal population has a mean of 78 and a standard deviation of 6. you select a sample of 50. evaluate the
problem1 the data below shows the number of absences x and the final grade y of seven students in the statistics
Develop an ordered array and plot a percentage histogram, what conclusions can you reach about the differences in the state cigarette tax between the states?
A dean of college of business in the Midwest claims
What type of variables you have. Qualitative or Quantitative and indicate what type of measurement scale is being used.
A computer manufacturer offers a help line that purchasers
single sample hypothesis testing z-tests1. for the population at large test scores on the wechsler intelligence scale
The proportion of people aged 18-25 who currently use illicit drugs is equal to 0.20 (or 20%). Express the null hypothesis H0 and the alternative hypothesis H1 in symbolic form. Be sure to use the correct symbols - μ, p, and σ-for the indicated
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