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Experiments and surveys. Write a short report describing the differences and similarities between experiments and surveys. Include a discussion of the advantages and disadvantages of each.
Statistics and Probability, Statistics
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Assume a random sample of n = 5 measurements from a normal distribution. Compare the standard normal z-values with the corresponding t-values if you were forming an 80% confidence interval.
Question: Suppose X is a normally distributed random variable with mean µ = 200 and standard deviation σ = 20 a. Sketch the probability density function of X¯. On the same graph, sketch the probability density function o ...
Suppose you want to calculate the? z-score for your height. How will the? z-scores compare if you use your height in inches verses? centimeters?
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