1st Year Statistics First half Book Paper

Q1. Multiple choice questions (Attempt all · 15 × 1 = 15)

1. If any value in a series is zero, then we cannot calculate the:

   1. Mean

   2. Harmonic mean

   3. Mode

   4. Median

2. Range can be calculated in open-end classes:

   1. Never

   2. Always

   3. Often

   4. Seldom

3. The weights used in a quantity index are:

   1. Percentages of total quantity

   2. Prices

   3. Average of quantities

   4. None of these

4. Registration is the source of:

   1. Primary data

   2. Secondary data

   3. Ogive

   4. Histogram

5. Graphs of frequency distrubutions are used because:

   1. They have a long history in practical applications

   2. They attract attention to data pattern

   3. They account for biased or incomplete data

   4. None of these

6. Which of the following measures cannot be calculated for the numbers 5, 8, 12, 6, 9, 13, 10.

   1. Median

   2. Mode

   3. Mean

   4. None of these

7. The distribution is positively skewed if:

   1. Mean < Mode

   2. Mean > Mode

   3. Mean > Median

   4. Both (b) and (c)

8. Which method of construction of consumer price index number is the Laspeyre's index number?

   1. Aggregate expenditure method

   2. Family budget method

   3. Both (a) and (b)

   4. None of these

9. A numerical characteristics of a sample is called:

   1. Statistic

   2. Parameter

   3. Variable

   4. Sample

10. Histogram is a graph of:

    1. Frequency distribution

    2. Time series

    3. Qualitative data

    4. Ogive

11. If the values in a series are not of equal importance, we compute the:

    1. Median

    2. Harmonic mean

    3. Mean

    4. Weighted mean

12. The variance expresses the variability of data in ______ as unit of data.

    1. Square of unit

    2. Square root of unit

    3. Same unit

    4. All of these

13. Composite index number involves commodities:

    1. One

    2. Two

    3. Three

    4. More than one

14. In the plural sense, statistics mean:

    1. Methods

    2. Numerical Data

    3. Sample values

    4. Population values

15. Classification of data by attributes is called:

    1. Temporal classification

    2. Geographical classification

    3. Quantitative classification

    4. Qualitative classification