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10 August, 00:15

Consider an experiment regarding retired individuals which is interested in assessing the association between attitudes towards staying active and general activity level. Attitude towards staying active was measured by asking a series of questions regarding perceptions towards physical activity, resulting in a "positive attitude" or "negative attitude" classification. General activity level was classified as active, mildly active, and inactive. What is the degrees of freedom for the Chi-square test for an association between attitudes and physical activity level

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  1. 10 August, 04:10
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    degree of freedom is 2

    Explanation:

    We have here,

    Physical activity classified as "positive attitude" or "negative attitude"

    General activity level was classified as active, mildly active, and inactive.

    Degree of freedom (Row-1) (Column - 1) = (2-1) (3-1) = 2

    Therefore degree of freedom is 2
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