Mean Median Mode Questions And Answers Pdf In Hindi
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The mode is the value that appears most often in a set of data values. In other words, it is the value that is most likely to be sampled. Like the statistical mean and median , the mode is a way of expressing, in a usually single number, important information about a random variable or a population.
Mean, median, and mode
What is the mean? Find the mode of the distribution. If none of the numbers is more than and the average of the smallest five numbers is 78, find the minimum value of the sixth number. Find the maximum value of a. She observes the median and mean each to be 5 but the only mode is 8.
Marks of 15 students in their Economics paper are: 6, 9, 10, 12, 18, 19, 23, 23, 24, 28, 37, 48, 49, 53, 60 Find the median marks. Height of seven students is measured in cm as, , , , , , , Find the median height. Weight of eight students in kg is noted as, 71, 72, 64, 68, 70, 76, 73, 75 Find the median weight. Find out median of the following series: Size 20 25 30 35 40 45 50 55 Frequency 14 18 33 30 20 15 13 7. This item appears first of all in 95 th cumulative frequency of the series.
Apart from the mean, median and mode are the two commonly used measures of central tendency. The median is sometimes referred to as a measure of location as it tells us where the data are. It divides the frequency distribution exactly into two halves. Fifty percent of observations in a distribution have scores at or below the median. Hence median is the 50th percentile. It is easy to calculate the median. It does not take into account the precise value of each observation and hence does not use all information available in the data.
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In statistics , a central tendency or measure of central tendency is a central or typical value for a probability distribution. Colloquially, measures of central tendency are often called averages. The term central tendency dates from the late s. The most common measures of central tendency are the arithmetic mean , the median , and the mode. A middle tendency can be calculated for either a finite set of values or for a theoretical distribution, such as the normal distribution. Occasionally authors use central tendency to denote "the tendency of quantitative data to cluster around some central value. The central tendency of a distribution is typically contrasted with its dispersion or variability ; dispersion and central tendency are the often characterized properties of distributions.
Average: It is a value which is typical or representative of a set of data. Averages are also called Measures of Central Tendency. Simple to calculate.
To understand the concept of mean, median, and mode, the relationship between them, and the difference, we first need to know that these concepts form the part of measures of central tendency. It refers to a single value that attempts to describe the characteristic of the entire set of data by identifying the central position within that set. It is sometimes also known as measures of central location. Colloquially, measures of central tendency often referred to only averages. But now we have a lot more than averages.
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