Statistics questions

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1.When is the median a more appropriate central tendency statistic than the mean? Provide an example. (2 points)
2.If you had to guess the category of a nominal variable that best represents the variable’s distribution — and you have no information other than a simple frequency table — which category would you choose? Why? (2 points)
3.Referring to the formulas for the standard deviation (s) and variance (s2):
Why do researchers more frequently report the standard deviation? (1 point)
4.Why is the range a less effective measure of dispersion for interval-level variables than variance or standard deviation? (2 points)
5.Whenever possible, it is preferable to use interval measures as opposed to ordinal measures. Why? (1 points)
6.To produce effective quantitative research, we need measures that are both valid and reliable. What does this mean? (2 points)
7.Statistically speaking, why does the casino always win in the long run? (2 points)
8.A researcher is interested in establishing a causal relationship between two variables. What general conditions would need to exist between the variables for her assertion about causality to be realistic? (3 points)
9.Why are z-scores important in statistical analysis? (1 point)
10.A researcher draws a random sample of adult Tucsonans in order to measure how much money individuals are saving per month. Given the current economic situation, many in the policy-making world are calling for more data on individual savings. She finds that the distribution for savings/month has a slight positive skew (i.e. not normally distributed). Assuming her sample size is reasonable, why do we have any confidence that her sample mean (mean savings/month) might be a reasonable estimate of the true population mean? (2 points)

 

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Envision Communities: Perfect Communities to Live in

Streets are “flawlessness”, individuals have respectable ethics and qualities, youngsters have experienced similar training, the houses are entirely masterminded along the street, and the design is actually the equivalent. The entire network has a lovely nursery. Wrongdoing It appears to be a network you need to leave. The Colby people group is an excellent network as it is loaded up with satisfaction, structure and great good imperatives. In any case, how would you become an individual from this network?

Jonas lives in a network that is considered “great”. At the end of the day, there is no war, torment, distress, outrage. So as to accomplish this “flawlessness” his locale is viewed as hurtful and “overlooks” the memory of the things that put a weight on each history on his shoulder, “beneficiary” that was carrying on with an ideal life There was. By recording all recollections of the network, the beneficiary permits individuals to carry on with a quiet life. Be that as it may, thusly, the network additionally loses all the capacity to encounter genuine feelings, including positive sentiments. It has additionally lost its capacity to develop, change and better. Individuals have lost their rich lives for quite a while, and individuals have lost the capacity to see hues and tune in to music. Basically, individuals lose all the opportunity of character and genuine bliss, however they don’t feel it.

Envision a network of 2,500 km from Brisbane and 3,600 km from Canberra. We should envision this network thinking in a totally unexpected manner in comparison to we are acquainted with and brimming with living individuals. In this network of ages prior we should envision that the youngsters were detracted from their families. They are said to never talk their native language, they should do what they state. For this situation, they are rebuffed by brutality in light of their disappointment. This people group exists in numerous networks, this is their chronicled story

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