STA301 Solved Quiz 1 by VUBuddy

WMIg3Q

Q3. When a frequency distribution involves “open-end” classes, then which average is appropriate?

1. Mean
2. Mode
3. Median
4. None of these

Correct answer: Median

Q4. Relationship among the averages

1. HM ≥ GM ≥ AM
2. AM ≥ GM ≥ HM
3. GM ≥ HM ≥ AM
4. AM ≥ HM ≥ GM

Q5. In a group frequency distribution, corrected moments are calculated by the method of:

1. Sheppard’s correction

WMIg3Q

Q8. Which of the following relationship is true in a symmetrical distribution?

1. Median-Q1 > Q3-Median
2. Median-Q1 < Q3-Median
3. Median-Q1 = Q3-Median
4. None of the above

Correct answer: Median-Q1 = Q3-Median

Q9. According to the property of parameter, it is

1. Variable
2. Constant
3. Discrete
4. Continuous

Correct answer: Constant

Q10. The heading of the columns of a table are called:

1. Stubs
2. Captions
3. Footnotes

Correct answer: Captions

WMIg3Q

d) Source notes

Q11. In a coin tossing example, we have only two possible outcomes, a head or a tail; this is an example of:

1. Equally likely events
2. Mutually exclusive events
3. Both of these
4. None of these

Correct answer: Both of these

Q12. In a frequency distribution, which of the following is sometimes referred to as the class mark?

1. relative frequency
2. cumulative frequency
3. class midpoint
4. frequency

Correct answer: class midpoint