If you’ve ever tried to understand the statistical terms around error and confidence intervals it’s easy to become confused. So just quickly I want summarise the meaning of each for clarity. Standard Error– is a generic term that applies to many types of sample statistics (mean, standard ...
TI 83 Confidence Interval for the Population Mean Confidence Interval for a Mean on the TI 89 Confidence Interval for a Proportion on the TI 89 Definition of a Confidence Interval A confidence interval is a range of likely values for the population parameter based on a point estimate (e.g.,...
For instance, it will take a lot more sample to find statistically significant differences between groups if you are asking, “What month do you think Christmas is in?” than if you are asking, “How many miles are there between the Earth and the moon?”. In the former, nearly everybody...
findprobability with replacement. In other words, you want to find theprobabilityof some event where there’s a number of balls, cards or other objects, and you replace the item each time you choose one. Let’s say you had a population of 7 people, and you wanted to sample 2. Their ...
Depending on what types of dog food you’re promoting, you might want to choose one of the suggested groups or subgroups in the left column. You can also filter the data to find keywords that have a lowcost-per-click(CPC). Click the “CPC” (USD)” filter, add your custom range, ...
It’s hard to find but gives you tons of information about how Google crawls your website—information you can use to make sure the search giant indexes your site properly. In this article, I’ll show you how to find the Crawl Stats report, make sense of it, and use it to improve...
As an alternative, you can use the MonsterInsights tool (also mentioned below) to view your keyword rankings inside the WordPress admin area using Google Search Console data. For more details, see our guide on how to see keywords people use to find your WordPress site. We also like how ...
That is, if one were to view Cohen’s 𝑑(𝐳0)=[(𝑥̲𝑛−𝑦̲𝑛)/𝑠]d(z0)=[(x¯n−y¯n)/s] as a point estimate of the unknown parameter 𝜓=[(𝜇1−𝜇2)/𝜎],ψ=[(μ1−μ2)/σ], the statistic referred to by Thompson above is 𝜓̂(𝐙...
Here’s how to check: Go to Google In the search bar, type in the site: search operator followed by your domain (e.g., “site:yourdomain.com”) When you look below the search bar, you’ll see an estimate of how many of your pages Google has indexed ...
But what if you want to compare a top-of-the-line CPU from a few years ago to a midrange one that came out this year? Or what if you need to estimate the speed gains a new CPU can provide for a specific game or application? That’s where CPU benchmarks come in. What Are CPU...