Measures Of Central Tendency Statistics Slideshare

Note that for datasets that follow a normal distribution the mean median and mode mode function the mode function is categorized under excel statistical functions.

Measures of central tendency statistics slideshare. Properties of mean 1. Arithmetic mean am median mode geometric mean gm harmonic mean hm group e rejvi ahmed 6 7. The measures of central tendency can be found using a formula or definition. Mean median mode casperwendy 2.

The mode is also a poor measure of central tendency when it happens to be a number that is far away from the rest of the values. Each of these measures calculates the location of the central point using a different method. Measure of central tendency provides a very convenient way of describing a set of scores with a single number that describes the performance of the group. There are three commonly used measures of central tendency.

A set of numerical data has one and only one mean. A better measure of central tendency would be the median 15 or the mean also 15 in this case. It is a single number of value which can be considered typical in a set of data as a whole. Mean can be calculated for any set of numerical data so it always exists.

That central value condenses the large mass of data into a single representative figure. In statistics the three most common measures of central tendency are the mean median and mode. Choosing the best measure of central tendency depends on the type of data you have. Measures of central tendency there are 5 measures of central tendency.

Statistics in plural sense refers to numerical data of any phenomena placed in relation to each other. Also they can be identified using a frequency distribution graph. Measures of central tendencyconcept data in nature has a tendency to cluster around a central value. Measures of central tendency in layman s term a measure of central tendency is an average.

Measure of central tendency 1. The mean often called the average is most likely the measure of central tendency that you are most familiar with but there are others such as the median and the mode. Measures of central tendency. Arithmetic mean am othe arithmetic mean is the sum of a set of observations positive negative or zero divided by the number of observations.

For example numerical data relating to population production price. It is sometimes called the arithmetic mean. Mean among the three measures of central tendency the mean is the most popular and widely used. Quantitative aptitude business statistics.

Mean is the most reliable measure of central tendency since it takes into account every item in the set of data. Measures of central tendency it is also defined as a single value that is used to describe the center of the data. You can think of it as the tendency of data to cluster around a middle value. It is greatly affected by extreme or deviant values outliers 5.

The central value can be obtained from sample values called statistics and population observations called parameters 6.