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Explain how important it is to report your data honestly and not manipulate the data in an attempt to prove your hypothesis. In addition, explain why it is important to ensure that your participants understand fully the extent of the research before you begin.
A researcher is interested in estimating noise levels in decibels at area urban hospitals. She wants to be 90% confident that her estimate is correct. If the standard deviation is 4.13, how large a sample is required to get the desired information..
Describe 5 data collection techniques in your own words. Explain why the four demographic questions you included in your survey are important and or are of interest to the study.
The display represents Excel output for an ANOVA analysis with σ = 0.05.
Families in the USA have a monthly magazine that discusses issues related to health and health costs. After surveying 23 of their subscribers
A United Nations report shows the mean family income for Mexican migrants to the United States is $27,000 per year. A FLOC(Farm Labor Organizating Committee) evaluation of 25 Mexican family units reveals a mean to be $30,000 with a sample standard..
Pulte homes is developing two parcels near Medical Center in Houston, TX. In order to test different advertising approaches, they use different media to reach potential buyers.
Determine the shape of chi-square distribution?
The flashlight batteries produced by one of the northern manufacturers are known to have an average life of 60 hours with a standard deviation of 4 hours. Use Chebyshev's theorem to answer the following questions.
A large university says the mean number of classroom hours per week for full-time faculty is more than 9. A random sample of the number of classroom hours for full-time faculty for one week is listed. At 945; = 0.05 , test the university's claim.
Construct an appropriate control chart and comment on the process.
The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.
To test whether there is any association between two variables using Chi-Square test for independence.
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