Mathematics, 09.03.2020 22:45 mackenzie112068
A recent personalized information sheet from your wireless phone carrier claims that the mean duration of all your phone calls was μ = 2.9 minutes with a standard deviation of σ = 1.9 minutes. From a random sample of n = 50 calls, your parents computed a sample mean of = 3.6 minutes and a sample standard deviation of s = 2.6 minutes.
Sketch the population distribution for the duration of your phone calls. What are its mean and standarddeviation?
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