Pregunta 1
Pregunta
_______is called a data set containing all members of a specified group.
Pregunta 2
Pregunta
________ is a data set that contains a part, or a subset of a population.
Pregunta 3
Pregunta
Mean does not require sorting of data, as sorting of data is costly so it can be used for __________numeric data.
Pregunta 4
Pregunta
The mean cannot be calculated for ________ data, as the values cannot be summed.
Pregunta 5
Pregunta
Median is __________ by the outliers and for a symmetric distribution, the mean _________median.
Respuesta
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Affected, Not Equal to
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Unaffected, Equals to
Pregunta 6
Pregunta
In skewed data, the mean lies further towards the ______ then the median.
Pregunta 7
Pregunta
Median is ________affected by outliers and skewed data.
Pregunta 8
Pregunta
Median cannot be identified for the _________ nominal data, as it cannot be logically ordered.
Pregunta 9
Pregunta
Is it possible for the data set to be multimodal (have more than one mode) ?
Pregunta 10
Pregunta
Mode can be obtained for _____________ data.
Can be graphically represented with a ____________.
Respuesta
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Both, Histogram
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Numerical, Histogram
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Categorical, Histogram
Pregunta 11
Pregunta
For floating data it will be difficult to calculate the _____.
Pregunta 12
Pregunta
Range is ____________ to outliers and does not use all the observations in a data set.
Respuesta
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Very sensitive
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Not sensitive
Pregunta 13
Pregunta
What can be used as a measure of variability if the extreme values are not being recorded exactly?
Pregunta 14
Pregunta
IQR is ___________ by extreme values.
Pregunta 15
Pregunta
The advantage of variance is that it treats all deviations from the mean the same regardless of their direction. The squared deviations cannot sum to zero and give the appearance of no variability at all in the data.
Pregunta 16
Pregunta
Variance gives added weight to outliers, the numbers that are far from the mean. Squaring these numbers can skew the data.
Pregunta 17
Pregunta
Variance is not easily interpreted as we square the data, changing its dimensions from original one.
Pregunta 18
Pregunta
Standard Deviation can be used to detect ___________.