The mean ping time reveals the typical round-trip duration. Standard deviation indicates how much ping times vary from the mean. More pings may mean more accurate results, but the distribution of ping ...

$$ Y_j = \frac {1} {loops} \sum_{i = 1}^{loops} {X_{i, j}} \quad (j = 1, 2, ..., repeat) $$ $$ \begin{aligned} VAR(Y) &= VAR(\frac {1} {loops} \sum_{i = 1}^{loops} {X ...

Microsoft Excel’s mathematical capabilities often go far beyond the needs of most everyday users. However, Excel’s built-in statistical functions make it an essential tool for anyone who works with ...

Have you ever stared at a spreadsheet, struggling to make sense of percentage calculations that just don’t seem to add up? Whether it’s a confusing formula, a misstep with zero values, or an ...

In this post, we will show you how to calculate the expiry date in Microsoft Excel. Calculating expiry dates is a common requirement when working with Excel, especially for tracking inventory, ...

Have you ever been frustrated by Excel treating blank cells as zeros? It’s a small quirk, but one that can wreak havoc on your data analysis. Whether you’re building financial models, tracking ...

In nuclear beta decay an up quark ‘u’ in a proton converts into an up down quark ‘d,’ turning the proton into a neutron and emitting a positron and a neutrino. This work affects interpretation of beta ...

Excel is a spreadsheet with a lot of power. The software can be used to track inventory, track and calculate payroll and a myriad of other calculations. An Excel formula is generally composed of ...

When you edit the values on your Microsoft Excel worksheet, pressing the "F9" button refreshes the calculation manually. To avoid the tedious task of repetitively pressing this button and risking an ...

CERN’s calculation of the W boson’s mass agrees with theory, contradicting a previous anomaly that had raised the possibility of new physics. Particle’s surprise mass threatens to upend the standard ...

But for investors and financial analysts, the raw standard deviation number isn’t always the most helpful. This is where the concept of annualizing standard deviation comes into play. It allows for a ...