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If all n = 10 individuals in a sample have exactly the same score, what value will have the sample standard deviation?
In an article about investment alternatives, Money magazine reported that drug stocks provide a potential for long-term growth, with over 50% of the adult population of the United States taking prescription drugs on a regular basis.
a table gives the number of medical doctors per 100000 people for each of the 50 states. it does not make sense to use
The chi-square statistic for this table is ?2 = 31.765. What null and alternative hypotheses does this statistic test? What are its degrees of freedom?
Explain this result (including the underlying logic of the computations) to a person who understands hypothesis testing involving a single sample and a known population, but knows nothing about t tests.
In a known population of patients with severe anxiety disorder, anxiety is normally distributed µ=122, and s= 8. What is the estimated effect size.
Why is this population best for the topic? What three variables that might be a part of topic?
How does this statement apply when it comes to preventing viruses and other attacks on PCs? Does Windows have built-in virus protection software?
How is calculating a percentile for a mean from a distribution of means different from doing so for a score from a distribution of scores?
Compare the margin of error for the interval estimates in parts (a), (b), and (c). The margin of error (Increases or Decreases) as p-bar gets smaller.
You are offered the right to receive 3,000 per year? forever, starting in one year. If your discount rate is 3?%, what is this offer worth to? you?
Discuss the difference between discrete and continuous probability distributions. Discuss two situations in which a variable of interest may be considered.
A local authority has a pool of cars available for staff to use on official business. One particular make and model of car, of which the authority.
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