The Central Limit Theorem (CLT) is a fundamental concept in statistics that states that the sampling distribution of the mean of a random sample, regardless of the shape of the population distribution

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## Scales of Measurement in Statistics – Nominal, Ordinal, Interval and Ratio

Measures of central tendency are statistical measures that describe the typical or central value of a dataset. The three commonly used measures of central tendency are the mean, median, and mode. Let’s explore each of them with examples: In statistics, there are four commonly recognized scales of measurement: nominal, ordinal, interval, and ratio. These scales represent different levels of measurement and determine the types of statistical analyses that can be performed on the data. Let’s explore each scale with examples: Scale of measurement Properties Examples Nominal – Data is classified…

Read More## What is Quality Function Deployment or House of Quality ?

Quality Function Deployment (QFD) is a structured approach used in product development and design to ensure that customer needs and requirements are effectively translated into specific design and engineering parameters. QFD helps organizations align their products or services with customer expectations and preferences, thereby increasing customer satisfaction. The House of Quality is a central tool used in QFD. It is a matrix that visually represents the relationships between customer requirements and the technical features or characteristics of a product or service. The House of Quality is so named because of…

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