STT102
1. The ratio of frequency of a score to the total frequency is known as
Cumulative nFrequency
RelativenFrequency
ProportionalnFrequency
Total nFrequency
2. Ungrouped data can be presented diagramatically using all the following except
Bar Charts
Pie Charts
Scatter Diagrams
Pictograms
3. To draw a frequency polygon for a grouped data, you need _________ and _________
Class Intervals and Frequencies
Class Mid-points and Frequencies
Class Mid-points and Cumulative Frequencies
Class Intervals and Cumulative Frequencies
4. The endpoints of a class in a frequency distribution of grouped data are called
Class Marks
Class Intervals
Class Boundaries
Class Limits
5. When a standard deviation is multiplied by itself, then we have
Standardized Deviation
Multiplied Deviation
Coefficient of variation
Variance
6. A distribution of scores with two modes is called
Unimodal Distribution
Bimodal Distribution
Trimodal Distribution
Multi-modal Distribution
7. The measure of dispersion that divides the scores in a distribution into 10 equal parts is called
Quartiles
Deciles
Percentiles
Quartile Range
8. The absolute difference between the smallest score and the highest score in a distribution is called
Quartile
Difference
Range
Absolute Deviation
9. Ogive is otherwise known as
Cumulative Frequency Distribution
Relative Frequency Distribution
Summerized Frequency Distribution
Tallied Frequency Distribution
10. __________ is used to assist in accurate counting of observations when preparing frequency distribution
Tally Marks
Scatter Plot
Venn Diagram
Box plot
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