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Why is it important to study ethics in statistics? Have you seen statistics misused? Without naming specific companies or people, can you provide examples? Why is it important to study ethics in statistics? Have you seen statistics misused? Without naming specific companies or people, can you provide examples?
Which measure of family wealth is most important, when making political decisions, the national mean, median or mode?
Explain why it might be important to look at cancer incidence that is age-adjusted rather than just cancer incidence. Perform simple linear regression on these data and report your finding.
This is an Excel sheet that calculates both probabilities and percentiles for any normal or standard normal probability distribution. Replaces normal probability tables.
Workers at a large toxic clean up project are concerned that their white blood cell counts may have been reduced. Let x be a random variable that represents white blood cell count per cubic millimeter of whole blood in a healthy adult.
Indicate at which point flat-of-the-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).
A school tracks the absences of pupils as part of a flu surveillance system. Regular reporting of absences among 25 students in grade 1 are taken, and based on these data, the long-run proportion of absences under normal conditions is estimated to..
What is the null hypothesis? Use α =0.05. Compute critical value. Use α =0.05.
If the value of the standard normal random variable Z is positive, then the original score is where in relationship to the mean?
Extrapolating this data by using the sum of squares method would further reveal any discretionary variances in relationship to the mean?
The mean score on a standardized psychology test is supposed to be 50. Believing that a group of psychologists will score higher, we test a random sample of 11 psychologists.
Construct a scatterplot for the (x, y) values below, and answer the following questions. What would be the slope of this regression line?
A linear correlation coefficient very close to 0 implies that there is a linear correlation between the averages, but a correlation between the averages does not imply a correlation between individuals as the conclusion incorrectly suggest.
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