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16 February, 18:30

Imagine that you are conducting a one-variable chi-square test to investigate the hypothesis that there are equal numbers of cat lovers and dog lovers in the office at work. Having conducted a survey, you found 150 preferred dogs and 120 preferred cats. What would the expected frequencies be in each cell? 135 150 and 120 270 More information is needed to calculate the expected frequencies.

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  1. 16 February, 18:57
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    135

    Step-by-step explanation:

    Based on the following information:

    - There are 150 dog lovers

    - There are 120 cat lovers

    So:

    The null hypothesis:

    H, there are an equal number of dog lovers and cat lovers, so the expected frequency in each cell will be the same and that is:

    f = (150 + 120) / 2

    f = 270/2 = 135

    then the first option of 135 is correct
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