RESEARCH METHODOLOGY

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METHODS OF DATA ANALYSIS

PARAMETRIC AND NON PARAMETRIC TESTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
For a chi-square test, the observed frequencies are always whole numbers.
A
False
B
True
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The observed frequencies for a chi-square test can be fractions or decimal value. T or F? The expected frequencies for a chi-square test are always whole numbers (no fractions or decimals).

Detailed explanation-2: -A chi-square test is used to help determine if observed results are in line with expected results, and to rule out that observations are due to chance. A chi-square test is appropriate for this when the data being analyzed are from a random sample, and when the variable in question is a categorical variable.

Detailed explanation-3: -2. The calculated chi-square statistic should be stated at two decimal places. 3. P values don’t have a leading 0-i.e., not 0.05, just .05.

Detailed explanation-4: -The observed frequencies for a chi-square test can be fractions or decimal values.

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