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Refer to "The Use of Electro-Acupuncture in Conjunction with Exercise for the Treatment of Chronic Low-Back Pain" by Yeung, Leung, and Chow.
2) Complete "Yeung Analysis Worksheet."
3) Examine the question the researchers were trying to answer and write an essay (500-750 words) that explains why you feel the t-test was chosen. Choose one of the other tools studied so far in this course and explain why it would not provide relevant findings.
4) Prepare this assignment according to the APA guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.
At 5% level of significance, does this sample prove violation of guideline that average patient must pay no more than $250 out-of-pocket? Write your hypotheses and decision rule.
decide whether the random variable x is discrete or continuous. x represents the total number of die rolls required for
The sum of the cross-products of Z scores gives you a large positive number if there is a positive correlation and a large negative number if there is a negative correlation.
Find a 95% confidence interval for the mean amount spent by patients at the pharmacy. Show your calculations and/or explain the process used to obtain the interval.
Obtain descriptive statistics and graphic displays for these salt-taste indices. Do the indices appear to be normally distributed? Why or Why not? Compute the sample mean for this index, and obtain 95% CIs about the point estimate.
assume that adults have iq scores that are normally distributed with a mean of u 100 and a standard deviation 20. find
A 'good' correlation is data-context driven. For example, I did a project correlating sales volume per state and customer demographics (pretty 'hard' data) and got a .92 correlation.
This problem involves calculating and interpreting the 95% confidence interval for a proportion. While you can use SPSS to determine proportions, you need to calculate the confidence interval by hand.
a study is run to estimate the association between exposure to lead paint in childhood and attention-deficit
a machine is producing metal pieces that are cylindrical in shape. a sample of pieces is taken and the diameters are
The following frequency table lists the sales of an item and the number of times it has occurred. It was obtained from historical records.
Compute the value of z and state your decision regarding the null hypothesis.
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