Hi, need to submit a 500 words essay on the topic Statistics and Research.He developed a ratio that describes how the industrial quality control quotient can be increased, which is,6. External validit

Hi, need to submit a 500 words essay on the topic Statistics and Research.

He developed a ratio that describes how the industrial quality control quotient can be increased, which is,

6. External validity of the data implies how far the issue under study has really been addressed while conducting researches. Internal validity on the other hand could be found by judging a sub-sample out of the sample being considered to see if the conclusions drawn from it coincide with that of the larger sample.

12. Relative frequency distribution is the proportion of times that a variable is taking a particular value in different trials. On the other hand, the cumulative frequency is the additional frequency to the total frequency that a value