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Q. How to calculate arithmetic average or mean?
Ans.
When people collect information, or data, they can easily be overwhelmed with information. Just imagine listing the birthdays of all the students in your school! One way of making sense of the data is to find the number that represents the information in the best possible way. There are three commonly used ways to measure the central tendency of a set of data; the mean, median and mode.
Mean
The mean, or arithmetic average, of a data set is denoted by . It is the average you have experience working with. Sum up all of the values in the data set and then divide by the number of values.
i need help with exponents and how to add them
particular solution of equation y''''-3y''-4y=2sinx
A man travels 600km partly by train and partly by truck. If he covers 120km by train and the rest by truck, it takes him eight hours. But, if he travels 200km by train and the res
Q. Mean and Standard Deviation? Ans. The normal distribution is totally described if we know the average and standard deviation. - the population mean of the distribu
Find out Least Common Multiple? The smallest number that is a common multiple of two numbers (that is, both numbers share the same multiple) is called the least common multiple
Multiply following. Assume that x is positive. (3√x-√y)(2√x-5√y) Solution (3√x-√y)(2√x-5√y) =6√x 2 -15√x√y-2√x√y+5√y
Q1: Find three positive numbers whose sum is 54 and whose product is as large as possible.
Common Graphs : In this section we introduce common graph of many of the basic functions. They all are given below as a form of example Example Graph y = - 2/5 x + 3 .
Find the centre of a circle passing through the points (6, -6), (3, -7) and (3,3).Also find the radius.
v=u+at s=ut+1/2at^2
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