Descriptive analysis

A. Variance

B. Mean

C. Standard deviation

D. Range

A. The most frequent value

B. The middle value when data is ordered

C. The average of all values

D. The difference between max and min

A. Continuous

B. Normally distributed

C. Categorical

D. Random

A. The square root of standard deviation

B. The spread of data around the mean

C. Always negative

D. Equal to the median

The 25th percentile is also called:

B. Median

C. Lower quartile

D. Interquartile range

A. Categorical data

B. Frequency distribution of continuous data

C. Comparing proportions

D. Showing relationships

A. Central tendency

B. Dispersion

C. Skewness

D. Percentiles

A. Uniform distribution

B. Normal distribution

C. Exponential distribution

D. Poisson distribution

A. Describing past data

B. Forecasting future outcomes

C. Collecting raw data

D. Visualizing historical trends

A. Maximum – Minimum

B. Mean ÷ Median

C. Sum of all values ÷ Number of values

D. Square root of variance