What Do You Mean By Excel

You can start Excel with the Start - Run - Excel.exe /X command. This will force a new instance.-Alternatively, you can have Excel running, and hold down the Alt key, and then start Excel again. Excel will ask you if you want to start a new instance, to which you can answer 'Yes':-Alternatively, you can force Excel to always open new instances. Excel glossary

1. Excel is a spreadsheet program used to organize and analyze large amounts of data quickly. One of the most important functions for analyzing data is finding the mean. The mean is the average number when all of the data is added and divided by the number of data points.
2. If you're new to Excel, you might be typing a formula for subtraction incorrectly. Here are two ways to do it: Subtract a cell reference from another. Type two values in two separate cells. In a third cell, subtract one cell reference from the other. In this example, cell D2.

A cell range in an Excel file is a collection of selected cells. This range is usually symmetrical (square), but can exist of separate cells just the same. A cell range can be referred to in a formula as well.

In a spreadsheet, a cell range is defined by the reference of the upper left cell (minimum value) of the range and the reference of the lower right cell (maximum value) of the range. Eventually separate cells can be added to this selection, then the range is called an irregular cell range. In Excel, the minimum and maximum value are included. That’s different from a mathematical range, in which it is a collection of values between a maximum and a minimum value.

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A symmetrical cell range can appear as below. The notation for this range is (A1:C6); from upper left cell A1 to bottom right cell C6.

Irregular cell ranges, like in the image below, also occur. The notation for this range is (A1:C6;E2;E6;C7;C9).

A cell range can be used inside a formula, for example to calculate the sum of the values within the selected cells. The notation for the sum of all values in cell range (A1:C6) is =SUM(A1:C6).

Larger spreadsheets are usually stuffed with formulas based on cell ranges. When spreadsheets are edited or expanded over time, different types of range issues may occur. These issues are usually hard to detect, but they can be very risky! We’ve seen big numbers and large sums of money ‘disappear’ because of range issues.

PerfectXL detects different types of range issues, like references to empty cells, interrupted formula ranges, merged cells, references to merged cells, unexpected ranges and ranges in which unexpected shifts occur.

The arithmetic means, mode and median are the base of any statistical analysis of data. We have already discussed how we can calculate MODE and MEDIAN in Excel. In this tutorial, we will learn how to calculate mean in excel.
Mean is nothing but the average of data. A given set of data is added and divided by total numbers. For example, mean of 2,4 and 8 will be (2+4+8)/3, which is 7.
In excel, we use the AVERAGE function to calculate the mean of data. The AVERAGE function does the same thing as mean. There is no MEAN function in excel since AVERAGE is there.
Generic Mean Formula in Excel

Number1,number2,... : These are the numbers of which you want to calculate mean in excel. This can be numbers, cell references and ranges.

The all below average formulas are valid.

Free Office Excel =AVERAGE(1,4,8)
=AVERAGE(A2:B4,4,C12) Excel Mean Examples
Here I have some data about weights of my colleagues in my company. Now, I want to calculate the mean in excel of this data.
Write this mean formula using AVERAGE function in excel:

This will return the mean or say average of this data, which 60 kgs.

NOTE: any non numeric value is ignored except #DIV/0! And #N/A Error. If you have a #DIV/0! in set of numbers, AVERAGE function will return #DIV/0! error.

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Handling Blank Cells while Calculating MEAN in Excel
Above mean formula is equivalent to this formula:

It means if you have any blank cell or cell that contain non numeric value, it will be ignored and denominator will reduce. See the below image.
See, we have, only 4 employees are taken in consideration. Which actually logical here, because no one can
weigh 0 Kgs on Earth.
But what if we are talking about productivity, that can be 0. In that case this analysis will be wrong.
To keep every record in consideration while calculating, either fill each non-numeric value with 0, or use below formula.

=SUM(B2:B6)/ROWS(B2:B6)

How it Works

Here first SUM function adds all the non numeric value in the given range. Then ROWS returns the number of rows in the range. Eventually we divide the sum by number of rows to calculate the mean in excel.

Calculate MEAN using SUM and COUNTA Function.
Almost every data has some tags with it. For example, every weight and productivity is associated with an employee. So to calculate true mean, we can sum the number using SUM function and count the employees using COUNTA function. And then divide the SUM by COUNT of employee to calculate mean of productivity.

Formula to Calculate Mean of Data using SUM and COUNTA

So, yeah guys, these are the ways to calculate error free mean of a dataset. Feel free to ask question about any statical function in excel. And share you tricks to others and make others work easy.

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