The domain is all the values of x which are covered by the function. In this case, the domain is x <= 0. The range is all the values of y that the function passes through, so in this case, the domain is y >= 0. The only correct statement among the choices is the second.
From the question, we know the population standard deviation, σ = 1.63, the sample standard deviation, s = 3.07, the sample mean,

and the sample size, n = 38.
The question illustrates a hypothesis chi-square test of variance.
The test statistics for a Chi-squared test of variance is given by
Answer:
x=A+y+4
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
i just took the test