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MA8452 Important 16 mark Questions Statistics and Numerical Methods Regulation 2017 Anna University

Ma8452 Important 16 Mark Questions STATISTICS AND NUMERICAL METHODS

MA8452 Important 16 mark Questions Statistics and Numerical Methods Regulation 2017 Anna University free download. Statistics and Numerical Methods Important 16 Mark Questions MA8452 pdf free download.

Sample MA8452 Important 16 Mark Questions Statistics and Numerical Methods:

1.The heights of 10 males of a given locality are found to be 70, 67, 62, 68, 61, 68, 70, 64, 64, 66 inches. Is it reasonable to believe that the average height is greater than 64 inches?

2. A sample of 10 boys had the I.Q’s: 70, 120, 110, 101, 88, 83, 95, 98, 100 and 107. Test whether the population mean I.Q may be 100. MA8452 Important 16 mark Questions Statistics and Numerical Methods

3. Two independent samples of sizes 9 and 7 from a normal population had the following values of the variables.
Sample I: 18 13 12 15 12 14 16 14 15
Sample II: 16 19 13 16 18 13 15
Do the estimates of population variance differ significantly at 5% level of significance? MA8452 Important 16 mark Questions Statistics and Numerical Methods

4.Time taken by workers in performing a job are given below:
Type I 21 17 27 28 24 23 –
Type II 28 34 43 36 33 35 39
Test whether there is any significant difference between the variances of time distribution. MA8452 Important 16 mark Questions Statistics and Numerical Methods

5.Test whether there is any significant difference between the variances of the populations from which the following samples are taken:
Sample I: 20 16 26 27 23 22
Sample II: 27 33 42 35 32 34 38 MA8452 Important 16 mark Questions Statistics and Numerical Methods

6.Test if the difference in the means is significant for the following data:
Sample I: 76 68 70 43 94 68 33
Sample II: 40 48 92 85 70 76 68 22

8.A dice is thrown 400 times and a throw of 3 or 4 is observed 150 times. Test the hypothesis that the dice is fair.

9.Theory predicts that the proportion of beans in four groups A, B, C, D should be 9:3:3:1. In an experiment among 1600 beans, the numbers in the four groups were 882, 313, 287 and 118. Does the experiment support the theory? MA8452 Important 16 mark Questions Statistics and Numerical Methods

10. 4 coins were tossed 160 times and the following results were obtained:
No. of heads: 0 1 2 3 4 Observed frequencies: 17 52 54 31 6
Under the assumption that the coins are unbiased, find the expected frequencies of getting 0, 1, 2, 3, 4 heads and test the goodness of fit.

Subject name Statistics and Numerical Methods
Short Name m4
Semester 4
Subject Code MA8452
Regulation 2017 regulation

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