Body and exam measurements were collected from 300 subjects. The pulse rates from 100 males have a mean of 67.9 beats per minute and a standard deviation of 11.0beats per minute. Use the range rule of thumb for identifying significant values to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of 30 beats per minute significantly low, significantly high, or neither? (All of these pulse rates are measured at rest.)
Body and exam measurements were collected from 300 subjects. The pulse rates from 100 males have a mean of 67.9 beats per minute and a standard deviation of 11.0beats per minute. Use the range rule of thumb for identifying significant values to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of 30 beats per minute significantly low, significantly high, or neither? (All of these pulse rates are measured at rest.)
Body and exam measurements were collected from 300 subjects. The pulse rates from 100 males have a mean of 67.9 beats per minute and a standard deviation of 11.0beats per minute. Use the range rule of thumb for identifying significant values to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of 30 beats per minute significantly low, significantly high, or neither? (All of these pulse rates are measured at rest.)
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Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...
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