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Mean, median, and mode.

The arithmetic mean is the simplest and most common of all statistics. Add all the values of the observations, and divide by the total number of observations. That's it.

To arrive at the median, rank order the values of the observations from lowest to highest, and look at the middle value. This is your median. In the event the number of observations is even, take the mean of the middle two values (where the median would be if there were an odd number of observations).

The mode is simply that number in the data set that appears most. Data distributions (or the pattern of your data) can have two modes, three modes, or any number of modes, provided all the values are equal in frequency. Alternatively, distributions can have no mode at all.

In the distribution below, there are 3 modes:

1 1 1 2 2 2 3 3 3

the values 1, 2, & 3 each appear 3 times. The median is 2 (it is smack dab in the middle of the distribution), and the mean is:

(3(1)+3(2)+3(3))/9=2

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Q: What are the measures of central tendency in statistics?
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Related questions

What are the three measures of central tendency?

The mean and median are two measures of central tendency. In introductory statistics many schools include the mode as another example of central tendency but the mode could well be at the end of a distribution.


What is measures of central tendency as it relates to quantitative descriptive statistics?

They are the mean, median and mode.


Which statements accurately describes the measures of central tendency?

"Measures of central tendency are statistical measures." is an accurate statement.


Advantages of measures of central tendency?

Benefits of Central Tendency


How do you find an average from the measures of central tendency?

One of the measures of central tendency IS the average, also known as mean. You can't calculate the average from other measures of central tendency.


What are the benefits of measures of central tendency Explain with an example?

"What are the benefits of measures of central tendency? Explain with an example


What are the merits and demerits of the measures of central tendency?

easures of central tendency


How do we obtain useful information from a set of data?

You calculate summary statistics: measures of the central tendency and dispersion (spread). The precise statistics would depend on the nature of the data set.


What type of statistics are mean median and mode?

They are statistics of central tendency.


What is the measures of central tendency of 9?

The mean of 9 is 9. The median of 9 is 9. The mode of 9 is 9. These are the commonest measures of central tendency.


Which measures of central tendency should be used to calculate the cutoff time for the final race?

well...the measures of the central tendency would be 30 minutes


Which measures of central tendency become larger as the data is more dispersed?

None. Measures of central tendency are not significantly affected by the spread or dispersion of data.