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What is the mean, median, standard deviation and interquartile range values of the following data set? Explain how you decide on the appropriate use of measures of dispersion - standard deviation or interquartile range.
Data set:
10, 15, 25, 25, 40, 60, 75, 75
Use appropriate charts and numerical measures to develop a summary report. The above data set represents the marks 8 students received in their Chemistry exams.
questiongeneral trace organic monitoring describes the process in which engineers analyse water samples for various
Response being average of morning and evening speeds. At each interchange, three settings of traffic lights are allotted at random to three Tuesdays. Examine the results using more traditional split-plot method.
Create a histogram for the following data of the number of miles from residence to place of employment for 30 randomly selected residents of Middletown County.
The athletic director of State University is interested in developing a multiple regression model that might be used to explain the variation in attendance at football games at his school. A sample of 16 games was selected from home games played d..
Remove the two low-end outliers (the beer with 0.0% alcohol and the beer with 0.4% alcohol), because most of the data come from alcoholic beers.
In ANOVA analysis, what is the real meaning of the term treatment? What does this really mean?
What is the probability that our survey will (erroneously) indicate that Pepsi is preferred by more people than Coke?
Solve the inequality for t . Simplify your answer as much as possible.
according to the american lung association 90 of adult smokers started smoking before turning 21 years old. ten smokers
cronbachs alpha and the split-half reliability coefficient are both instruments to determine the reliability of a
Estimate the true proportion of all Americans who are in favor of gun control legislation using a 99% confidence interval.
A random sample of 10 subjects have weights with a standard deviation of 11.1396 kg. What is the variance of their? weights?
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