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Punjab (PTB) · Full book test · Free

2nd Year Business Statistics Full Book Paper

75 marks · 2 hours 30 minutes · 39 questions. Covers: 6 chapters (CHAP 1: What is Statistics? to CHAP 6: Probability Theory).

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2nd Year Business Statistics Full Book Paper

2nd Year · Business Statistics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 75Time: 2 hours 30 minutes

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

  1. A set which conatin countless elements is called:

    1. Sub set

    2. Universal set

    3. Finite set

    4. Infinite set

  2. Mid-point of class limit is also called:

    1. Class mark

    2. Class limits

    3. Class boundaries

    4. None of these

  3. The ratio obtained by dividing the price in a given year by the price in proceeding year are called:

    1. Volume relatives

    2. Price relatives

    3. Link relatives

    4. None

  4. If  then A and B are:

    1. Disjoint

    2. Mutually Exclusive

    3. Not mutually

    4. Both A and B

  5. The empirical relationship between mean, median and mode is, made=:

    1. 3 mean - 2 median

    2. 2 mean - 3 median

    3. 3 median - 2 mean

    4. 2 median - 3 mean

  6. A qualitative variable is called:

    1. Parameter

    2. Statistic

    3. Attribute

    4. None of these

    4. None of these

  8. The graph of frequency distribution is called:

    1. Histogram

    2. Historigram

    3. Ogive

    4. None of these

  9. Index numbers are basically classified into:

    1. 2 categories

    2. 3 categories

    3. 4 categories

    4. 5 categories

  10. The probability of getting head on a single throw of a coin is:

    4. None of these

  11. For an open and frequency distribution.It is not possible to calculate:

    1. Arithmetic mean

    2. Median

    3. Mode

    4. All of these

  12. Uniform of a student is an example of:

    1. Constant

    2. Variable

    3. Parameter

    4. Statistics

  14. Both length and width are used in:

    1. One dimensional diagram

    2. Two dimensional diagram

    3. Three dimensional diagram

    4. Multi dimensional diagram

  15. Index number for base year period is always:

    1. Mean

    2. Mode

    3. Unknown

    4. 100

Q2. Short questions (Attempt any 12 of 18 · 12 × 2 = 24)

  1. What does ...... denote for?

  2. Define primary data.

  3. Define exhaustive events.

  4. The sum of deviation of 15 values from 20 is 45. Find Arithmetic mean.

  5. Define quantity index number.

  6. What is meant by universal set?

  7. Define multiple bar chart.

  8. Define discrete data.

  9. What is the range of probability.

  10. The wages of six workers in rupees are 1800,1900,1700,2200,2000 and 1600. Find mean.

  11. Given  then find current year a weighted index number.

  12. Define set.

  13. Define Historigram.

  14. Explain the difference between population and sample.

  15. Define dependent events.

  16. If mode=125, mean=80 is a skewed distribution calculate medians.

  17. Why index numbers are called economic barometers.

  18. How many committee of 4 persons can be taken from 12 persons?

Q3. Long questions (Attempt any 4 of 6 · 4 × 9 = 36)

  1. Make frequency distribution from the following data taking classes as: 0-1, 2-3, 4-5,-5,0,1,4,0,2,8,2,0,4,2,1,0,7,3,1,2,6,0,2,2,5,7,2,3,9,6,3,4,5,4,1,2,3,1,5

  2. The price of wheat (per 40 kg) is given below. compute chain indicies using 1999 as base year:

    Years 1999 2000 2001 2002 2003 2004 2005
    Price 550 550 600 640 690 750 800

  3. One integer is chosen at random from the numbers 51, 52, 53 ...... 100. What is the probability that the number chosen is divisible by (i) 10  (ii) 6?

  4. Calculate A.M from the following distribution by coding method:

    Groups 1.5-2.0 2.0-2.5 2.5-3.0 3.0-3.5 3.5-4.0 4.0-4.5
    Frequency 3 7 10 15 9 6

  5. Let A={1,2,3,4}, B={2,4,6,8} and C={3,4,5,6} Find:(i)   (ii)  (iii)  (iv) 

  6. Make a frequency distribution taking I as class interval: 2,8,10,9,7,9,4,3,5,6,8,7,9,6,6,11,1,5,6,6,5,7