The number of accidents in a factory for each month is provided: Jan Feb Mar Apr May June July Aug Sep Oct Nov Dec 25 28 24 18 17 27 9 18 22 14 12 26
Which hypothesis test would be appropriate for determining whether some months have a greater number of accidents than others?
a. Least-squares regression
b. TWO-sample 2-test for means
c. Chi-square test for goodness of fit
d. Chi-square test for independence
e. One-sample 2-test for means

Above problem we can solve using chi-square test of goodness of fit.

Therefore, 3rd option is correct.

Chi-square test for goodness of fit.

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Step-by-step explanation:

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x^3-4x^2+3x-2/x^2+1

step-by-step explanation:

factor the numerator and denominator and cancel the common factors