Compute the value of the linear correlation coefficient
Using 10 pairs of sample data, if you compute the value of the linear correlation coefficient r and obtain a result of 0.989, then you can conclude that a strong correlation exists.
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For a normal distribution, which distribution is used to test the claim that a population has a standard deviation equal to 0.75, given a sample of 25 values with a sample mean of 98.2 and a sample standard deviation of 0.62?
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