Find the number of degrees of freedom

Reference no: EM131814302

Question: A data sample is sorted into five categories with an assumed probability distribution.

a. Find the size n of the sample.

b. Find the expected number E of observations for each level, if the sampled population has a probability distribution as assumed (that is, just use the formula E_i = n × p_i).

c. Find the chi-square test statistic χ².

d. Find the number of degrees of freedom of the chi-square test statistic.

Reference no: EM131814302

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