Engg Data Analysis (Statistics)

Question 1

For ungrouped data
1. Measure of central tendency
Mean
Median
Mode

Question 2

For ungrouped data
2. Measure of dispersion
Range
Midrange
Standard deviation
Variance
Mean absolute deviation
Z-score
Quadratic mean
Geometric mean
Quartile
Interquartile range
Coefficient of variation

Question 2

For grouped data
Median
Mode
Mean
Standard deviation of sample mean

Question 3

Probability density function

Question 4

Rejecting/accepting null hypothesis
Type 1 error
Type 2 error
P-value