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In an Online Discussion, one of our statistics classes sampled 81 student's resting heart rates and found a standard deviation of 11.71 beats per
In an Online Discussion, one of our statistics classes sampled 81 student's resting heart rates and found a standard deviation of 11.71 beats per minute. Construct a 99% confidence interval for , the true standard deviation of resting heart rates for Rio Hondo students. Use 3 decimal places. a. Find the lower and upper X2 critical values at 99% confidence. Lower: Upper:
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
4th Edition
471021407, 9780471021407
