One of your friends in your statistics class has polled 15 people in her dorm about a recent increase in the price to wash and dry a load of laundry. she wants to conduct a one proportion z-test to see if more than half the residents oppose the increase. is a normal model appropriate here?

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.  

i'll anser so they can have brainliest (my doubleu key is broken)

answer; direct observation;