Question

Q-3. What do you mean by term "goodness to fit test"? What for the said test is required

Answer 1

Answer:

A goodness-of -fit test refers to the measurement of how well observed data matches the assumed or the fitted model.

Step-by-step explanation:

The goodness-of-fit test is used in statistics to measure the extent of divergence or closeness of a given model to the actual observed values.

Here are the test that make use of this method to calculate the extent to which a certain set of data fit a model:

•    Kolmogorov–Smirnov test
•    Cramér–von Mises criterion
•    Anderson–Darling test
•    Shapiro–Wilk test
•    Chi-squared test
•    Akaike information criterion
•    Hosmer–Lemeshow test
•    Kuiper's test
•    kernelized Stein discrepancy[1]
•    Zhang's ZK, ZC and ZA tests[2]
•    Moran test