When the null hypothesis is true and n is greater than or equal to 5 per group, the test statistic for the friedman test is approximately distributed as a

(a)t-distribution

(b)f-distribution

(c)normal distribution

(d)chi-square distribution

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step-by-step explanation:

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step-by-step explanation:

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3