The House of Quality is the first matrix in a four-phase QFD (Quality Function Deployment) process. It's called the House of Quality because of the correlation matrix, which is roof shaped and sits on top of the main body of the matrix. The correlation matrix evaluates how the defined product specifications optimize or sub-optimize each other.
The Hyper Micro Process Map is used when there is an important or doubtful process which requires detailed study for various sub-steps. The Hyper-Micro Process Map is limited to the exact process under study and is generally created if a normal or a Micro Process Map is not able to distinguish the process step where defects are generated.
Hypothesis testing refers to the process of using statistical analysis to determine if the observed differences between two or more samples are due to random chance (as stated in the Null Hypothesis) or to true differences in the samples (as stated in the Alternate Hypothesis). A Null Hypothesis (H0) is a stated assumption that there is no difference in parameters (mean, variance, DPMO) for two or more populations. The Alternate Hypothesis (Ha) is a statement that the observed difference or relationship between two populations is real and not the result of chance or an error in sampling.
