Following this, the word was later used in a book on Calculus in 1865: The Differential Calculus by John Spare mentions: “…in respect to the range of values which the function and its variable may sustain, and to their mutual dependence”. Lloyd, “On Certain Questions Connected with the Reduction of Magnetical and Meteorological Observations,” Proceedings of the Royal Irish Academy, 4, 180-183 (David, 1995). The origin of the word “Range” in mathematics is unknown, but a few early uses of the word as it’s used in statistics can be found as far back as 1848, in H. For example, click the “New Worksheet” radio button.
For example, if you typed your data into cells A1 to A10, type “A1:A10” into that boxĤth: Click the radio button for Rows or Columns, depending on how your data is laid out.ĥth: Click the “Labels in first row” box if your data has column headers.Ħth: Click the “Descriptive Statistics” check box.ħth: Select a location for your output. Range in Excel: Data Analysis Stepsġst: Click the “Data” tab and then click “Data Analysis.”Ģnd: Click “Descriptive Statistics” and then click “OK.”ģrd: Click the Input Range box and then type the location for your data. Lastly the format (assuming you put these formulas into cells B1:B3) would be:Ī much easier way is to use Data Analysis, where in just a couple of clicks (with no entering formulas) you can display a variety of summary statistics, including the range (How to load the Data Analysis Toolpak). For example, if you had a data set in cells A1 to A10, you’d need three formulas in three blank cells. To find a range in Excel, you have two options: you can use the MAX and MIN functions to find the largest and smallest numbers in a data set and then you can subtract the two. That’s why other measures of spread are sometimes preferred, like the mean. It’s an extremely high or low value that can throw off stats. The score of 10 in the example above is what we call an outlier. That’s not a good reflection of your overall test performance at all. Assuming your highest score on another test was 94, then:
Let’s say you had the flu one test day and scored a 10. The range only uses the smallest and the largest number in a set The rest of the values are ignored. Step 2: Subtract the smallest number from the highest = 94 – 73 = 21. Step 1: Order your scores from smallest to largest: Problem: You take 7 statistics tests over the course of a semester.
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That’s how to find a range! Another Example of How to Find a Range Step 2: Subtract the smallest number in the set from the largest number in the set:Įxample question 2: What is the range of these integers?Įxample question 3: What is the range of the following times?Ģ.7 hrs, 8.3 hrs, 3.5 hrs, 5.1 hrs, 4.9 hrs Need help with a homework question? Check out our tutoring page!Įxample question 1: What is the range for the following set of numbers? 10, 99, 87, 45, 67, 43, 45, 33, 21, 7, 65, 98? The same two steps are used to find a range whether you are dealing with positive numbers, negative numbers, or time (e.g.
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