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Qualitative Designs, Sampling, and Data Collection
Choose 1 of the following, and provide a response:
Distinguish between phenomenology, grounded theory, and ethnographic designs.
Use an example, and explain why it meets the criteria for the design.
Or Explain both purposive and theoretical sampling.
Provide an example for how each sampling strategy is used.
Or Provide an explanation of interviews as a means for collecting qualitative data.
What are some of the variations of this form of data collection?
400 words, APA
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A 1982 study indicated that 40% of young adults (18-25 years old) in the U.S. smoked cigarettes. In a later survey of 1500 young adults, 536 were found to be smokers. Do the data indicate that the smoking rate for young adults in the U.S. has decreas..
Does the confidence interval make us 95 percent confident that the population mean perceived age estimate is at least 25? Is the mean perceived age estimate much more than 25? Explain.
Let X1....X10 be a random sample from a population with mean 50 and standard deviation 4. Let X be the sample mean. Find the expected value and standard deviation of X. Do you know the probability distribution of X ? Clearly state any neces..
250713RR- What sample size is required from a very large population to estimate a population proportion within 0.05 with 95% confidence? Don't assume any particular value for p.
Regression analysis techniques
You run a coffee shop which is testing a new type of espresso maker. Your business dependson having repeat customers, so you give away samples of the espresso for free.
Researchers want to know whether, the variation in the population of trap-spacing measurements, is larger than 10 m2. They will conduct a test of hypothesis using α = 0.05. a.) Note that s2 > 10. Consequently, a fisherman wants to reject the null hyp..
Compute the error in each forecast. How accurate would you say these forecasts are? Now compute a new series of moving average forecasts using six observations in each average. Compute the errors as well.
Convert the rectangular coordinate (-8,i (square root of 3) into polar coordinates.
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