Cigfil Quality Supervisor Interview Questions and Answers

Standard deviation is a measure of the amount of variation or dispersion of a set of values.

• Calculate the mean of the data set.

• Subtract the mean from each data point and square the result.

• Find the average of the squared differences.

• Take the square root of the average to get the standard deviation.

• Example: Data set - 2, 4, 6, 8, 10. Mean = (2+4+6+8+10)/5 = 6. Squared differences = (2-6)^2, (4-6)^2, (6-6)^2, (8-6)^2, (10...read more

Statistics is the study of collecting, analyzing, interpreting, presenting, and organizing data.

• Statistics involves collecting data through surveys, experiments, or observations.

• It includes analyzing data using mathematical techniques like mean, median, mode, and standard deviation.

• Interpreting data involves drawing conclusions and making predictions based on the analysis.

• Presenting data can be done through graphs, cha...read more