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Home >> Statistics and Probability
To find the range, standard deviation and variance.
A math test was given with the following results:
80, 69, 92, 75, 88, 37, 98, 92, 90, 81, 32, 50, 59, 66, 67, 66
Find out the range, standard deviation, and variance for the scores.
Statistics and Probability, Statistics
Using the confidence interval when conducting a two-tailed test for the population proportion p, we reject the null hypothesis if the hypothesized value for p falls inside the confidence interval.
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