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Updated 12th Standard Business Maths and Statistics Study Materials 2022-2023 Exams

12th Standard Business Maths English Medium -Sampling Techniques and Statistical Inference 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 Study Materials Sep-02 , 2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Business Maths Subject -Sampling Techniques and Statistical Inference, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Business Maths English Medium -Sampling Techniques and Statistical Inference 2 Mark Book Back Question Paper and Answer Key 2022 - 2023

Sampling Techniques and Statistical Inference 2 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Business Maths

Time : 00:30:00 Hrs
Total Marks : 52

    2 Marks

    26 x 2 = 52

  1. Using the Kendall-Babington Smith - Random number table, Draw 5 random samples.

    23 15 75 48 59 01 83 72 59 93 76 24 97 08 86 95 23 03 67 44
    05 54 55 50 43 10 53 74 35 08 90 61 18 37 44 10 96 22 13 43
    14 87 16 03 50 32 40 43 62 23 50 05 10 03 22 11 54 36 08 34
    38 97 67 49 51 94 05 17 58 53 78 80 59 01 94 32 42 87 16 95
    97 31 26 17 18 99 75 53 08 70 94 25 12 58 41 54 88 21 05 13

  2. Using the following Tippett’s random number table,

    2952 6641 3992 9792 7969 5911 3170 5624
    4167 9524 1545 1396 7203 5356 1300 2693
    2670 7483 3408 2762 3563 1089 6913 7991
    0560 5246 1112 6107 6008 8125 4233 8776
    2754 9143 1405 9025 7002 6111 8816 6446

    Draw a sample of 15 houses from Cauvery Street which has 83 houses in total.

  3. A server channel monitored for an hour was found to have an estimated mean of 20 transactions transmitted per minute. The variance is known to be 4. Find the standard error.

  4. A sample of 100 students is chosen from a large group of students. The average height of these students is 162 cm and standard deviation (S.D) is 8 cm. Obtain the standard error for the average height of large group of students of 160 cm?

  5. What is population?

  6. What is sample?

  7. What is statistic?

  8. Define parameter.

  9. What is sampling distribution of a statistic?

  10. What is standard error?

  11. State any two merits of simple random sampling.

  12. State any two demerits of systematic random sampling.

  13. State any two merits for systematic random sampling.

  14. Mention two branches of statistical inference?

  15. What is an estimator?

  16. What is an estimate?

  17. What is point estimation?

  18. What is interval estimation?

  19. What is confidence interval?

  20. What is null hypothesis? Give an example.

  21. Define alternative hypothesis.

  22. Define critical region.

  23. Define critical value.

  24. Define level of significance.

  25. What is type I error.

  26. What is single tailed test.

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