| 1 |
a graph of a cumulative frequency distribution is called. |
- A. Histogram
- B. Ogive
- C. Frequecny polygon
- D. None of thesse
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| 2 |
Data classified by attributes are called. |
- A. Continuous data
- B. Quantitative data
- C. Qualitative data
- D. Grouped data
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| 3 |
Title of a table should be in |
- A. Lower case letters
- B. Capital letters
- C. Italic and lower case letters
- D. Twenty letters
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| 4 |
The difference between the upper and the lower boundaries of a class are known as: |
- A. class marks
- B. class intensive
- C. class frequency
- D. class limit
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| 5 |
A relative frequency distribution presents frequencies in terms of |
- A. Fractions
- B. Whole numbers
- C. Percentages
- D. Both a and c but not b
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| 6 |
when constructing a frequency distribution, the first step is. |
- A. Divide the data into at least five classes
- B. arrange the dta into an array
- C. Decide on the type and number of classes for dividing the data
- D. None of these
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| 7 |
Which of the following statements is true. |
- A. As a rule statisticians genereally use between 6 and 15 classes.
- B. As a rule, statisticians regards a frequency distribution incomplete if it has fewer than 20 classes.
- C. Classes describe only one characteristics the data ebign organized
- D. None of these
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| 8 |
Total angle of pie-chart is. |
- A. 270 <sup>o</sup>
- B. 300<sup> o</sup>
- C. 320<sup> o</sup>
- D. 360<sup> o</sup>
|
| 9 |
If a curve has a longer tail to the left . it is called a. |
- A. Symmetrical curve
- B. Positive skewed curve
- C. Negatively skewed curve
- D. None of these
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| 10 |
Brand of a soap is ..................... variable. |
- A. Quantitative
- B. Qualitative
- C. Continuous
- D. Imaginary
|