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Questions about non-parametric procedures
1. What are the most common reasons you would select a non-parametric test over the parametric alternative?
2. Discuss the issue of statistical power in non-parametric tests (as compared to their parametric counterparts). Which type tends to be more powerful? Why?
3. For each of the following parametric tests, identify the appropriate non-parametric counterpart:
a. Dependent t testb. Independent samples t testc. Repeated measures ANOVA (one-variable)d. One-way ANOVA (independent)e. Pearson Correlation
Consider a simple random sample of n=116 people. Denote by X the number of people in the sample that have the disease. Calculate the following probabilites. P(X=23)=?
The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with a mean of 3.2 pounds and a standard deviaition of 0.8 pound.
What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?
The mean equal to 16 oz. and standard deviation equals 0.6 oz. Find the probability that a bottle selected at random will contain less than 15 ounces?
the man of mass m1 88 kg and the woman of mass m2 62 kg are standing on opposite ends of the platform of mass m0 124
customer arrives at a checkout counter in a department store have a poisson distribution with average of 4 arrivals
What is the 95% confidence interval for the standard deviation of birth weights at County General Hospital, if the standard deviation of the last 25 babies born there was 1.1 pounds.
What is the probability that One member of the committee lives in northern Kentucky and the others live in Ohio and At least 1 member of the committee lives in northern Kentucky?
more genetics. in problem 33 we learned that for some diseases such as sickle cell anemia an individual will get the
A lease agreement between Earth Leasing Corporation and New Moon Company.
Develop a probability tree showing all marginal, conditional, and joint probabilities and what is the probability that a student selected at random failed the test?
test scores for a statistics class had a mean of 79 with a standard deviation of 4.5. test scores for a calculus class
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