The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is EQUAL TO THE SAMPLE SIZE, MINUS ONE. 
 
        
             
        
        
        
Answer:
C. Machine power.
Explanation:
The Industrial Revolution was a period that began in the 18th century till the 19th century. This period marked a shift ffrom agrarian form of living to industrialized form of living, and from rural cities to the urban cities. 
<u>The Industrial Revolution brought a shift from small shops to the large factories, </u><u>from human power to machine power</u><u>, agricultural to industrial. </u><u>The human power during this period was substituted with the machine power as many new technologies were being invented which could do the work faster than human hands and more productively</u>. 
So, the correct answer is option C.
 
        
             
        
        
        
Answer:
A long narrow stretch of Hills is called ridge.
 
        
             
        
        
        
Answer:
The correct answer is b. the constituents likely do not actually have well-formed views on the issues that are decided in Congress.
Explanation:
One major problem with the role of the instructed delegate is that constituents may not actually have well-formed views on many issues.