MA8452 SNM Question Papers, Statistics and Numerical Methods Previous Year Question Papers – MECH 4th SEM


MA8452 SNM Question Papers

Anna University Regulation 2017 MECH MA8452 SNM Question Papers for previous years are provided below. Previous Year Question Papers for MECH 4th SEM MA8452 Statistics and Numerical Methods, Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials.

Anna University Regulation 2017 (MECH) 4th SEM MA8452 SNM- Statistics and Numerical Methods question paper

1. What are the parameters and statistics in sampling?
2. Mention the various steps involved in testing of hypothesis
3. What are null and alternate hypothesis?
4.What is the essential difference between confidence limits and tolerance limits?
5. Define the following terms (i)Standard error (ii)Random sampling
6. State level of significance.
7.Twenty people were attacked by a disease and only 18 were survived. The hypothesis is set in such a way that the survival rate is 85% if attacked by this disease. Will you reject the hypothesis that it is more at 5% level.(Z0.05 = 1.645)
8.A random sample of 25 cups from a certain coffee dispensing machine yields a mean x = 6.9 occurs per cup. Use 0.05 level of significance to test,on the average, the machine dispense μ = 7.0 ounces against the null hypothesis that, on the average, the machine dispenses μ < 7.0 ounces. Assume that the distribution of ounces per cup is normal, and that the variance is the known quantity σ2=0.01 ounces.
9.In a large city A, 20 percent of a random sample of 900 school boys had a slight physicaldefect. In another large city B, 18.5 percent of a random sample of 1600 school boys had somedefect. Is the difference between the proportions significant?
10.A standard sample of 200 tins of coconut oil gave an average weight of 4.95 kg with a standard deviation of 0.21 kg. Do we accept that the net weight is 5 kg per tin at 5% level of significance?

11.Write down the formula of test Statistic ‘t’ to test the significance of difference between the means.
12. What are the applications of t-test?
13. What is the assumption of t-test?
14. Write the application of ‘F’ test.
15. Define ‘F’ variate.
16. What are the properties of “F” test?
17. State any two applications of ψ2-test.
18.Write the formula for the chi- square test of goodness of fit of a random sample to a hypothetical distribution.
19. Give the main use of ψ2-test
20.What are the expected frequencies of 2×2 contingency table?

MA8452 SNM Question Paper1– Download Here

MA8452 SNM Question Paper2– Download Here

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MA8452 SNM Question Paper4– Download Here

MA8452 SNM Question Paper5– Download Here

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MA8452 Question Papers with answers, SNM previous year question bank – MECH 4th Semester


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