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You are evaluating a rural program designed to increase access of health care to low income families. Results show access to health care was increased at p<.08. Discuss the practical and statistical significane of these findings.
Find out the marginal probability density function for the provided value. Assume that two random variables, X and Y, have bivariate pdf given by:
Determine which groups differ in average shelf life. Give test statistic, hypothesis, decision rule and hypothesis
Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is different from the claimed value of 22 minutes?
Determine the strength of the causal relationship between monthly sales and new home construction by using correlation.
Point to at least two directional and nondirectional hypotheses you would like to test associating either to your current job or job you would like to do after graduation.
In your opinion, which one/s of these factors (independent variables) will have a negative correlation with bone density and which one/s will have a positive correlation?
Assume that the population of hours worked per week by college graduates employed full-time is normally distributed with mean . Can we conclude that is greater than 40 hours? Use the .01 level of significance.
Use information from the modular background readings as well as any good quality resource you can find. Please cite all sources and provide a reference list at the end of your paper.
Population standard deviation of 4 inches. For any one person selected at random, find out the probability that their height will be?
There is an advantage in stating the hypothesis both in the null and in the alternative; it adds clarity to our thinking of what we are testing. Explain.
Heart disease patients often experience spasms of the coronary arteries. Because biological amines such as serotonin may play a role in these spasms, a research team measured serotonin levels post-mortem from patients who died of heart disease and..
Develop percent frequency distribution and construct bar chart and pie chart.
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