Since Excel’s SQRT function returns only the positive square root of a given number, to also find the negative square root, you can simply multiply the positive square root by -1.

To get the square of a number in Excel, you must use this formula: =<cell coordinates of first cell>^2. In short, if you have a digit in an A1 cell and you want to find the square of that number ...

3. Now, divide these squared differences by their respective expected frequencies using the formula “= Squared difference / Expected frequency.” 4. Sum up all of these values obtained from step 3 to ...

Square brackets are used in Excel formulas to reference a header in a formatted table. Let's say you've been sent this table (called Fruit_Sales), and your aim is to work out the turnover for each ...