BIO401 Midterm MCQs

1. We need sampling for ________ purpose

1. Economy
2. Speed
3. Accuracy

4. All of the given

2. If an event consists of exactly one outcome, it is called

1. Complex event

2. Simple event

3. Simple complex event
4. None of the given
5. Two or more events are said to be ________, if the events do not have any outcomes in common.

1. mutually exclusive

2. mutually inclusive
3. interdependent
4. None of the given

4. Relative frequency in population is known as

1. Sampling

2. Dispersion
3. Probability
4. None of the given

5. Box and Whisker Plot is also sometimes called

1. Whisker Box

2. Box Whisker

3. Box Plot
4. None of the given

6. ________ is independent of the scale of measurement:

1. Variation
2. Coefficient

3. Coefficient of variation

4. All of the given
5. The location parameters which help us to determine the position of a particular observations in a data are called

1. Measures of position

2. Measures of change
3. Local parameters
4. Measures of observation
5. In an array the Quartiles are ________ cut-points that divides the values into 4 equal parts.

1. 3

2. 4
3. 2
4. 6
5. The range of a list is ________ if and only if all the data-points in the list are ________.
6. 0, unequal
7. 1, unequal
8. 1, equal

4. 0, equal

10. The Mean and Median are Special cases of a family of parameters known as ________.

1. Local parameters

2. Non-local parameters
3. Mobile parameters
4. Risk parameters

11.

"An aggregate of entities for which we have an interest at a particular time" is called

1. Sample
2. Mean
3. Data

4. Population

12.

Which one is not the type of Probability Sampling designs?

1. Non-systematic sampling

2. Systematic sampling
3. Cluster (area) sampling
4. Multistage sampling

13.

________ is the hypothesis that is believed to be true by the researcher:

1. Null hypothesis

2. Alternative hypothesis

3. Rejected hypothesis
4. None of the given

14. Quantities are more robust and less susceptible than ________ if there are outlying observations in the data.

1. Mode
2. Standard deviation

3. Mean

4. Dispersion

15.

Sampling problems may differ in each strata

1. Multi-Stage Sampling
2. Systematic Random Sampling
3. Cluster Random Sampling

4. Stratified Random Sampling

16.

Mean of values 115, 110, 119, 117, 121 and 126 is:

1. 117

2. 118

3. 119
4. 120

17.

1. Mean
2. Mode