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MATH/STAT 102 A - Intro to Probability and Statistics (FA 2025)

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A correlation coefficient of +0.55 indicates a stronger correlation compared to a correlation coefficient of -0.85
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If r = + 1, what inferences can be made

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What is the correlation coefficient of the following data: (1,1), (0,0), (-1,-1)?

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The regression line is the one that
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If the P-value of a test equals 0.50%, then

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You conducted a HT for one mean based on a sample of size 100. Your test statistic was 6.5. Then

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In hypothesis testing, it is never valid to form a conclusion of accepting the null hypothesis.

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Suppose we are conducting a one-sided HT for one mean with a sample of 30 individuals and 5% significance level.  If a Type I error is committed, then the p-value was:

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If (36.4, 37.8) is a CI obtained from the temperatures (in degrees Celsius) of 36 children, then the sample mean temperature of these 36 children is

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If the confidence level increases then the precision increases.
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