Harmonic Mean MCQs (Multiple Choice Questions) PDF Download - 110

For the individual observations, the reciprocal of arithmetic mean is called

1. geometric mean
2. harmonic mean
3. deviation square mean
4. paired mean

If the true value of population parameter is 10 and the estimated value of population parameter is 15 then the error of estimation is

1. 5
2. 25
3. 0.667
4. 150

If the occurrence of a statistical event A does not affect the occurrence of event B and vice versa then these events are classified as

1. statistically dependent events
2. descriptive unaffected events
3. statistically independent events
4. statistically unaffected events

In the formula of sample variance the Σ(x-x‾)² is called

1. total sum of squares
2. total differences of squares
3. multiplier of deviation
4. divisor of mean deviation

The type of bar chart that is used to present deficit in loss, excess in exports and deficit in imports is classified as

1. ungrouped bar charts
2. grouped bar charts
3. deviation bar charts
4. dimension bar charts