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1. What is the range of correlation coefficient? Give a real world example of positive and negative correlation. Do you want stocks which are highly correlated with each other or less correlated? Why?
2. Define systematic and unsystematic risk. How do these relate to diversifiable risk versus non-diversifiable risk? What is 'market' risk?
What is the probability she received 5 or more email during the same period?
The number of traffic accidents that occurs on particular stretch roas during a month follows a Poisson distribution with mean of 8.5. Find the probability of observing exactly three accidents of this stretch of road next month.
In a study designed to test the effectiveness of acupuncture for treating migraine, 142 subjects were treated with acupuncture and 80 subjects were given a sham treatment. The numbers of migraine attacks for the acupuncture treatment group had a m..
Find out the probability that the return for common stocks will be more than 0%.
Calculate the 95% confidence interval for the rate of positive tuberculin reaction separately for each of the two subpopulation, those with high exposure and those with low exposure.
Graph the information using a histogram and a scatter plot in Excel as well. How does seeing the information in a graphical format provide more information?
About 40% of the general population donate time and energy to community projects. Suppose 15 people have been randomly selected from a community and each asked whether he or she donates time and energy to community projects.
A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, µ =58.A random sample of 14 individuals who listen..
For any distribution the score that separates the highest 10% from the rest of scores is called.
Explain why random samples are preferred to nonrandom samples.
When we have data that are measured at the interval/ratio level of measurement, there are:
Find out equation of the line of best fit. Find out r - Is there a strong relationship?
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