The degrees of freedom for 120 data values when calculating a Chi-Square test statistic is: a) 120, b) 118, c) 119, d) not enough information

you answer is a

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

5

step-by-step explanation:

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