Please explain if you can
1 answer:
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Answer:
A.
Step-by-step explanation:
The given equation is
We solve for y by subtracting 3x from both sides to obtain;
We now divide through by -7 to get;
This simplifies to;
This equation is now in the form y=mx +c, where is the slope.
Answer:
The degrees of freedom are given by:
The significance level is and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:
And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.
Step-by-step explanation:
We have the followign system of hypothesis:
Null hypothesis:
Alternative hypothesis:
The degrees of freedom are given by:
The significance level is and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:
And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.