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According to the College Board, SAT mathematics scores from the 2015 school year for high school students in the United States were normally distributed with a mean of 511 and a standard deviation of 120.
Determine the probability that a randomly chosen high school student who took the SAT in 2015 will have a mathematics SAT score more than 700 points.
Give your answer as a percentage rounded to one decimal place.
Find the number of standard deviations the raw score 67 is from the mean ( a positive value rounded to nearest hundredth).
Passing stats. Molly s college offers two sections of Statistics 101. From what she has heard about the two professors listed, Molly estimates that her chances.
Among the women, 6 have red/green color blindness. Test the claim that men have a higher rate of red/green color blindness.
"Superior Performance of Blind Compared with Sighted Individuals on Bimanual Estimations of Object Size," published in Psychological Science in 2005
Find approximate 95% confidence intervals for the proportion and the percentage of adult Americans who would say they favor this experimentation.
Distinguish between descriptive and inferential statistics. Describe a research situation that would use both types.
Use the model to predict the selling price of a house that is 1,860 square feet.
a recent survey asked american adults how often they volunteered for charity. in the sample of 1974 people 51 said more
In a certain city of several million people, 7.8% of the adults are unemployed. If a random sample of 205 adults in this city is selected
Assume the poll was given to a random sample of people. Test the claim that the proportion of those favoring stricter gun control has changed.
Find out if a difference between two response sets is significant. I asked 98 boys what modalities they thought were attractive to girls. 35 said athletes; 25 said tough guys. The rest endorsed other modalities at lesser rates.
HI6007 Assessment Three - Research questions for the identified problem or opportunity. Strengthen and improve initial proposal and Appropriate research methodologies and techniques to use for the research project.
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