Exponential Moving Average Calculator
The problem with raw data is that it’s too fidgety. There are spikes here and there and dips here and there and pretty soon you … Read More
JSCalc
Moving Average Calculator
Looking at a string of weekly sales numbers, you’d see a mess. But a good analyst would see something else: a story that hides behind … Read More
Trimmed Mean Calculator
This means you will see, for instance, that averaging your customers’ ratings may skew results if one angry customer drags rating down from a solid … Read More
Harmonic Mean Calculator
If you drove sixty miles per hour to work and forty miles per hour back home, your intuitive arithmetic average would say you went fifty … Read More
Geometric Mean Calculator
Say you invest in two things: one that returns double, and another that drops by half. Your gut reaction might be to conclude that you’re … Read More
Weighted Mean Calculator
Equal items are fine with a simple average. Not-so-equal items? Not so fine. A simple average suggest you did pretty well with an 80 on … Read More
Exam Time Per Question Calculator
Before grabbing that pencil and circling the first question, do the math: Take total minutes allotted for the test, divided by number of questions. That’s … Read More
Syllables Per Word Calculator
Writing an email or a help page might feel like you’re trying to hard. But don’t worry: You aren’t alone. You want to sound smart! … Read More
Average Sentence Length Calculator
That’s where the calculator above comes in. It will run through the numbers for you, taking chunk of prose and turning it into actionable data. … Read More
Lexile Estimate Calculator
Give a fifth grader a dense chunk of history. Their eyes glaze over. Give a ninth grader an easy folk tale. Their eyes zone out. … Read More