Download the free PDF of Basic Average problems MCQs for FPSC, PPSC, PMS, SPSC, KPKPSC, and NTS Tests
In arithmetic math, the average is a measure of central tendency, which means that it tells us where the "center" of a set of data is located. It is calculated by adding up all the values in a set of data and then dividing by the number of values.
The average is often called the mean, but there are other types of averages, such as the median and the mode. The median is the middle value in a set of data, and the mode is the most common value in a set of data.
The average is a useful tool for summarizing data and for making comparisons between different sets of data. For example, we can use the average to compare the test scores of two different groups of students or to compare the salaries of two different groups of employees.
The formula for calculating the average is:
average = sum of values / number of values
For example, if we have the following set of data:
The average is calculated as follows:
average = (2 + 4 + 6 + 8 + 10) / 5 = 6
Therefore, the average of the set of data is 6.
The average can be used to solve a variety of problems. For example, we can use the average to find the missing value in a set of data, or to calculate the weighted average.
The weighted average is a type of average that takes into account the importance of each value in a set of data. For example, if we have a set of data that represents the test scores of two different groups of students, and we want to calculate the average test score for the entire group, we would use a weighted average. The weight of each group's test scores would be determined by the number of students in each group.
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