Mathematics

Mathematics, 06.10.2019 10:02, hannahgracew12

If outliers are removed which would be more likely to change significantly: the mean or median? is the standard deviation or interquartile range more likely to change significantly. explain your answer.

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Computers and Technology, 24.06.2019 18:00, Pfaith8617

Explain the circumstances for which the interquartile range is the preferred measure of dispersion. what is an advantage that the standard deviation has over the interquartile range? choose the correct answer below. a. the interquartile range is preferred when the distribution is symmetric. an advantage of the standard deviation is that it increases as the dispersion of the data increases. b. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation. c. the interquartile range is preferred when the distribution is symmetric. an advantage of the standard deviation is that it is resistant to extreme values. d. the interquartile range is preferred when the data are bell shaped. an advantage of the standard deviation is that it is resistant to extreme values. e. the interquartile range is preferred when the data are skewed or have outliers. an advantage of the standard deviation is that it uses all the observations in its computation. f. the interquartile range is preferred when the data are bell shaped. an advantage of the standard deviation is that it increases as the dispersion of the data increases.

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Mathematics, 30.06.2019 16:00, damariush567

Which statements are true about the interquartile range? select all that apply. subtract the lowest and highest values to find the interquartile range. interquartile ranges are not significantly impacted by outliers. lower and upper quartiles are needed to find the interquartile range. a small interquartile range means the data is spread far away from the median. the data values should be listed in order before trying to find the interquartile range.

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Mathematics, 31.07.2019 14:30, kenken2583

Why is the standard deviation preferable to the range as a measure of variation? select the correct answer below. a. the standard deviation is preferable to the range as a measure of variation because the standard deviation takes into account all of the observations, whereas the range considers only the largest and smallest ones. b. the standard deviation is preferable to the range as a measure of variation because the standard deviation is resistant to outliers, whereas the range is not. c. the standard deviation is preferable to the range as a measure of variation because it is optimal when the median is used as the center of measure. d. the standard deviation is preferable to the range as a measure of variation because the standard deviation is always smaller than the range?

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Mathematics, 06.10.2019 01:30, fannylrevelo123

Why is it best to compare medians and interquartile ranges for these data, rather than comparing means and standard deviations? a. some of these data have vastly different centers, and the median and interquartile range provide more reliable information in these circumstances. b. these data are fairly symmetric and do not have outliers, and the median and interquartile range provide more reliable information in these circumstances. c. some of these data have outliers and/or are skewed, and the median and interquartile range are resistant to outliers. d. some of these data have outliers and/or are skewed, and the median and interquartile range amplify the effects of outliers and skewness.

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