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What are the steps listed in my One Sample Hypothesis Testing Lecture for formal hypothesis testing? Explain why the sequence is important. What might happen if the hypothesis test is performed before the researcher has decided on the significance level? What is the difference between statistical significance and practical significance? Can a hypothesis test result be statistically significant and yet practically useless.
Can we conclude that car size is dependent on marital status? YES or NO (circle one)
Do you think that these types of statistics can ever be accurate? How could this statistic be biased? In what ways could scientists misinterpret the results of their studies and come up with an incorrect statistic? What are your thoughts?
Why is statistical significance not necessarily of practical important difference to a business decision? Give an example and explain.
A comparison group consisted of 5,055 children who had received no such treatment (brothers and sisters of the children who had received radiation treatment).
The shirt was a mesh polo shirt. Given this information, what is ths probability that the mesh polo shirt came from box 1?
Compute the grouped data mean for this distribution. Use MINITAB and using the original scores, compute the raw-data mean. Use MINITAB.
Fit a least squares trend line to the merger data. What type of trend (linear or curved) might best fit to this time series? Compute the forecast for year 20 based on the trend (linear or curved) that best fits the data?
In a 1993 survey of 560 college students, 171 said that they used illegal drugs during the previous year. In a recent survey of 720 college students, 263 said that they used illegal drugs during previous year.
What information is provided by the numeral value of the Pearson correlation? What is the major distinction between the Pearson and Spear man correlations?
Quality Progress, Feburary 2005, reports on the results achieved by Bank of America in improving customer satisfaction and customer loyalty by listening to the "voice of the customer".
Consider the many possible distributions of grades on a quiz in a statistics class; imagine that the grades could range from 0 to 100.
Students in the capstone business policy class are assigned to teams of three. In how many different ways could a team contain exactly one student from each concentration?
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