- I have a data project in my prob and stats class and I need some help interpreting it. I've already collected all of the data. Can someone please help me understand it better? And what is a p value? (My answer will be written in an essay) Thanks!
Heres the question...
Ask 100 randomly selected students if they most closely resemble their mother or their father. Evolutionary psychologists suggest that people are more likely to say that a child resembles the father- apparently so that the father will be more likely to protect and care for the child. For each gender, test the hypothesis that p=0.5. Construct a confidence interval for the population mean by gender and for the entire sample. Does the hypothesis of p=0.5 fall into your intervals? What generalizations can you make from your data and what factors could have influenced your results?
Answer by freond1
p is the usual symbol for probability. You don't quite say it, but it appears that you are investigating the probability that someone will say they resemble their father. A hypothesis of p=0.5 says 1/2 will say they resemble their father. If you think that more than half will say that, you might have an hypothesis that p = 0.6, e.g.
- And if P/E ratios are not the most important than what is EPS if so what number or numbers is good for EPS or is it something else that's important i want to know how to do the best stock research.
Answer by Delivuk
The average P/E on the stock market is 15. However, you need to know a lot more, such as what industry or business the stock is in. Tech stocks command a higher P/E than banks do. Compare the P/E to that of other stocks in the same industry. You must also ask if the P/E has been going down over the past several years. Companies that have higher growth rates have higher P/E ratios than low growth companies. Earnings Per Share is a measure of the total net income divided by the number of shares. This is useful, but a hundred dollar stock with an EPS of $ 2.00 has the save earnings percentage as as a $ 50 stock with a EPS of $ 1.00. I recommend you read Benjamin Graham's book The Intelligent Investor to gain a basic understanding of how to use these ratios.
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Answer by allawishes
there not to many out their bone yard probably picked clean check sales list
- P(0,-4); L:2y=X
Answer by TomV
L: x - 2y = 0 Parallel line: x - 2y = C C = 0-2*(-4) = 8 x - 2y = 8 Perpendicular line: 2x + y = C C = 0 + (-4) = -4 2x + y = -4 Parallel line is: x-2y=8 Perpendicular line is: 2x+y= -4 ...
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