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Punjab (PTB) · Chapter test · Free

2nd Year Business Statistics Chapter 3 TestAverages of First Order

30 marks · 40 minutes · 21 questions. Covers: CHAP 3: Averages of First Order.

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2nd Year Business Statistics Chapter 3 Test

2nd Year · Business Statistics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. 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

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

    1. Arithmetic mean

    2. Median

    3. Mode

    4. All of these

  3. Mode is not affected by:

    1. Smal values

    2. Large values

    3. Extreme values

    4. All values

  4. If , which of the following is minimum:

  5. Middle most value of the m observations arranged in ascending or descending order of magnitude is called:

    1. Mode

    2. Mean

    3. Median

    4. Combine Mean

  6. The value which divides arranged data into two equal halves:

    1. Mean

    2. Median

    3. Mode

    4. Probability

  7. The sum of deviation is zero when deviation are takes from:

    1. Mean

    2. Median

    3. Weighted mean

    4. Mode

  8. Which is a positional average:

    1. H.M

    2. Median

    3. A.M

    4. G.M

    1. 50

    2. 60

    3. 70

    4. 80

  9. Arrangement of data is necessary in finding:

    1. Mode

    2. Mean

    3. Median

    4. All of these

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

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

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

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

  4. Calculate median from the data:9,5,6,3,10,14,7,11,14,18

  5. Give mode for the data: 10,20,30,10,40,50,10,60

  6. Find median of 0,-1,2,5,3,6,5

  7. If mean is 15 and mode is 30, fine median.

  8. Calculate the median of the data given -5,6,4,3,0,2.

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. 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
  2. Find the median from the following:

    C.Limit 60-62 62-64 64-66 66-68 68-70
    F 5 18 42 27 8
  3. Calculate mode from the following data:

    Hourly wages No. of employees
    4-6 13
    7-9 85
    10-12 105
    13-15 59
    16-18 31
    19-21 7