METHODS OF DATA ANALYSIS
PARAMETRIC AND NON PARAMETRIC TESTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Two samples of sizes 25 and 35 are independently drawn from two normal populations. The number of degrees of freedom for t-test statistic is:
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58
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60
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62
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57
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Explanation:
Detailed explanation-1: -Answer → (c) 58 Reason → since this is a two sample t-test with eq…
Detailed explanation-2: -To calculate the T statistic, take the difference between the population mean and the sample mean, then divide the result by the result of the standard deviation divided by the square root of the sample size.
Detailed explanation-3: -To calculate degrees of freedom for two-sample t-test, use the following formula: df = N₁ + N₂-2, that is: Determine the sizes of your two samples.
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