Solution :
It is given that we have a null and an alternative hypothesis. The hypothesis are :


We have to find if the cost of average home has decreased or not in this month.
So it is given that the test statics is -1.79, so the p value associated with the test statics is less than ( α ) 0.01
Therefore, we can conclude that the cost of the average house is less than $ 240,000.
Answer:
Step-by-step explanation:
Answer:
- B. The graph decreases everywhere
Step-by-step explanation:
We see a graph going down as x-value increases.
It is not increasing (line shod go up) or constant (horizontal) graph..
Correct choice is B