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Yes, extreme values, also known as outliers, can significantly affect the mean of a data set. Since the mean is calculated by summing all values and dividing by the number of values, a single extreme value can disproportionately skew the result. This is why the mean may not always be the best measure of central tendency for data sets with outliers; alternatives like the median can provide a more accurate representation of the typical value.

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What is the Extreme high or low values in a data set which affect the mean?

Extreme high or low values in a data set, known as outliers, can significantly skew the mean. For instance, a few very high values can inflate the mean, making it higher than the central tendency of the majority of the data. Conversely, extreme low values can drag the mean down, misrepresenting the typical value of the dataset. This sensitivity makes the mean less reliable as a measure of central tendency when outliers are present.


Advantages and disadvantages of mean in statistics?

MEDIANUse the median to describe the middle of a set of data that does have an outlier.Advantages:• Extreme values (outliers) do not affect the median as strongly as they do the mean.• Useful when comparing sets of data.• It is unique - there is only one answer.Disadvantages:• Not as popular as mean.


Why it is useful to fiNd the meaN mediaN aNd mode of a set of data?

when there are extreme values in the data


Is median affected by extreme values?

No, the median is not affected by extreme values, or outliers, in a data set. The median is the middle value when the data is arranged in order, meaning it remains stable even if the highest or lowest values change significantly. This makes the median a more robust measure of central tendency compared to the mean, which can be skewed by extreme values.


Why is the mean most affected most by an outlier?

The mean is calculated by summing all values in a dataset and dividing by the number of values, making it sensitive to extreme values. An outlier, being significantly higher or lower than the other data points, can skew the total sum, thus altering the mean more than it would affect other measures of central tendency, like the median or mode. This sensitivity means that a single outlier can disproportionately influence the mean's representation of the dataset.

Related Questions

What are the advantages of mode?

extreme values don't affect the mode


Do extreme values affect the median?

No they do not (or at least they have less of a significant impact) and this is the benefit of using the median average over the mean average.


What is the Extreme high or low values in a data set which affect the mean?

Extreme high or low values in a data set, known as outliers, can significantly skew the mean. For instance, a few very high values can inflate the mean, making it higher than the central tendency of the majority of the data. Conversely, extreme low values can drag the mean down, misrepresenting the typical value of the dataset. This sensitivity makes the mean less reliable as a measure of central tendency when outliers are present.


How extreme value affect mean?

An extreme value will drag the mean value towards it.


Which summary measures are influenced by extreme values?

mode and mean


When is the mean used as a measure of central tendency?

When there aren't extreme values (outliers)


A good statistical indicator to avoid the distortion of extreme values is the?

weighted mean


Advantages and disadvantages of mean in statistics?

MEDIANUse the median to describe the middle of a set of data that does have an outlier.Advantages:• Extreme values (outliers) do not affect the median as strongly as they do the mean.• Useful when comparing sets of data.• It is unique - there is only one answer.Disadvantages:• Not as popular as mean.


When do you use mean and median?

The mean is used to measure the average of a set of values, especially when the data is normally distributed. The median is used to find the middle value of a dataset when there are extreme values or outliers present, as it is less affected by extreme values.


Why it is useful to fiNd the meaN mediaN aNd mode of a set of data?

when there are extreme values in the data


Is median affected by extreme values?

No, the median is not affected by extreme values, or outliers, in a data set. The median is the middle value when the data is arranged in order, meaning it remains stable even if the highest or lowest values change significantly. This makes the median a more robust measure of central tendency compared to the mean, which can be skewed by extreme values.


Do extremely high or low scores affect the value of the median?

No, extremely high or low values will not affect the median. Because the median is the middle number of a series of numbers arranged from low to high, extreme values would only serve as the end markers of the values.