China

Deciding the correct Hypothesis: In our previous post, we talked a lot about crisps. Walkers crips in fact. I would not recommend eating crisps, far too much salt, carbs and fat. But on a hot day, sitting in a beer garden, alongside a canal, the sun radiating down, there is nothing better than eating a

In our last post, we discussed the importance of the Z score, how it helps us when sample testing components. In this blog post, we discuss creating a hypothesis for sample testing.  We should probably start at the beginning.  What is a Hypothesis Test?  A hypothesis is an idea or explanation that is proposed, the

The Z Score And How We Can Use It In Acceptance Sampling In our last blog post, we talked about how Standard deviation can allow us to understand if data points are away from the mean and by how much. In this post, we are going to discuss how we can calculate the Z score

We spoke in our past blog about what a sample is, and what are the best way of obtaining random sampling subgroups for testing. In this post, we will be discussing the importance of sample size.  Sample Size We briefly said in our previous post that Bigger = Better and this is the case. A

Quality control is the ability to capture issues before they leave the factory and end up in your customers hands. Sample testing is the best technique to indicate if a shipment/ batch is acceptable or not. But how to choose a sample for statistical analysis let’s discuss how to choose components and understand if we