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What level of potassium should we use so that only 2.5 % of healthy individuals are classified as “abnormally high”?

answered Aug 12, 2019 in Data Science & Statistics | 1,313 views

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Is this an example of a simple random sample?

answered Aug 12, 2019 in Data Science & Statistics | 1,842 views

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The $75^{th}$ percentile is referred to as the:

answered Aug 7, 2019 in Data Science & Statistics | 252 views

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The variance of a sample of 169 observations equals 576. The standard deviation of the sample equals:

answered Aug 7, 2019 in Data Science & Statistics | 12,971 views

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A numerical value used as a summary measure for a sample, such as sample mean, is known as a:

answered Aug 7, 2019 in Data Science & Statistics | 29,830 views

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Which of the following provides a measure of central location for the data?

answered Aug 7, 2019 in Data Science & Statistics | 6,190 views