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Roughly speaking, the standard deviation

Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that
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2. asked by Lyndse
3. 1,222 views
Use a calculator to find the mean and standard deviation of the data. Round to the nearest tenth.6,7,19,7,18,7 A. mean = 9;
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2. asked by Veronika
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one of de moivre other finding isthat for events that are approximated by a bell curve roughly 95 percents of the data falls
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2. asked by paul ta
3. 390 views
Suppose x is a random variable with mean and standard deviation. If a large number of trials is observed, at least what
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2. asked by jake
3. 845 views
This is a standard deviation question.I don't know much about standard deviation. Here it goes... Teachers making 30,000 to
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2. asked by tanisha
3. 684 views
a teacher decides to fail 25% of the class.Examination marks are roughly normally distributed w/a mean of 72 & standard
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2. asked by mike
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150 students is 60 kg the mean of body is 70 kg withstandard deviation of 10 kg and mean weight of girls is 55 kg with standard
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2. asked by Anonymous
3. 1,424 views
5. Give the standard deviation for the mean and median column. Compare these and be sure to identify which has the least
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2. asked by Hope
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In a survey, 27 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped
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2. 103 views
In a survey, 20 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped
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2. asked by Lisa
3. 1,279 views