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Hi friends! Today will discuss about the Histogram. It is one of the 7 QC tools. A histogram is a visual representation of data that helps us understand the distribution and patterns within a set of values. It’s like a bar chart, but with a specific purpose – showing the frequency of different ranges or … Read more

Hi friends! Today we will discuss about the Correlation & Regression with an example. Correlation – discuss about how correlation measures the strength and direction of a relationship between two variables, emphasizing the concepts of positive, negative, and zero correlation. Regression Analysis: Introduce regression analysis as a tool for predicting the value of one variable … Read more

Hi readers! Today we will discuss about Chi Square Test. It is one of the tests of Hypothesis testing.  The Chi-square test stands as a cornerstone in statistical analysis, offering researchers a powerful tool to assess the association between categorical variables. Whether in biology, sociology, marketing, or any field that involves categorical data, the Chi-square … Read more

Hi friends! If you are searching for information about the Paired T Test, then you are on the right platform. Today, we will discuss the Paired T Test, which is one of the hypothesis tests in the Analysis phase. When is the Paired T Test used? A paired t-test is a statistical method used to … Read more

Hello readers! Today, we will discuss the hypothesis test for the equality of two variances. The 2-variance test is used to assess whether the variances of two independent samples are equal. Let us understand with an example. A new filtering device is installed in a chemical unit. Before and after its installation, a random sample … Read more

Hi friends! If you are looking for information on hypothesis testing using a one-sample t-test, you are on the right platform. This article explains the one-sample t-test with a solved example. Criteria for selecting 1- sample T test.  Let us understand with an example. Example: The time to repair an electronic instrument is a normally … Read more

Hi readers! Today, we are discussing Design of Experiments (DOE), a crucial component of Six Sigma. This is the second article about Design of Experiments (DOE). The link to the initial content on DOE is available here. https://readandgain.com/2024/02/04/design-of-experiment-explained-with-an-example/#google_vignette Steps for DOE. Let us understand with an example.  Oil pick up (OPU) is a measure of … Read more

Hello friends! Hope you are doing good. Today we will discuss about Design of experiment (DOE), it is an important part of Six Sigma. Let us understand concept of DOE with simple example.   Benefits of DOE. Tea Preparation  Suppose we want to prepare milk tea, and there is a list of ingredients and other necessary … Read more

Hi readers! If you are looking for a Project Charter for Six Sigma, you’re in the right place. In this article, I will explain the contents of the Project Charter in detail. You can download the Project Charter template for free from here. Let us understand the Project Charter first What is Project Charter? Project … Read more

What is Six Sigma?  Six Sigma is a data-driven and highly disciplined methodology focused on process improvement and variation reduction. It aims to Origin – Six Sigma was first developed and popularized by Motorola in the 1980s. It was created by engineer Bill Smith while he worked at Motorola and initially focused on improving manufacturing … Read more