The category of registered voters that has been steadily rising since the 1960s is ______.
A. Democratic
B. Republican
C. green
D. no party preference (independent)
Answer: D
You might also like to view...
_____________ is violence based on race, ethnicity, sex, religion, or other social issues
Fill in the blank with correct word
A researcher suspects that a new disease spreads via contaminated water. She identifies a 4 square kilometer area centered around a particular water tap, and finds that of the 50 victims who live in the area, the average distance between their home and the tap is 650m.
a. Test the null hypothesis that the cases are distributed randomly around the tap, using ?=.05. Give the p value associated with this observation. b. Assume that rather than a square, the area is a circle with diameter 2km centered on the tap. Test the null hypothesis and give the p-value again.