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In a survey of students at a local college it was decided to give part-time students twice the chance of selection because of the smaller numbers involved and the diversity of their study patterns. How would you double the chance of selection of part-time students and how would you allow for this in any subsequent analysis?
ten randomly selected shut-ins were each asked to list how many hours of television they watched per week. the results
Convert each of the following z intervals to raw score x intervals:
The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?
(a) Construct a stem-and-leaf display. (b) Construct a frequency histogram and interpret. (c) Construct a pie chart and interpret.
At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?
Test, at the 5 percent level, the hypothesis that an earthquake is equally likely to occur on any of the 7 days of the week.
a certain patient can experience three different types of symptoms let ai i 123 denote the event that the patient has
Several factors influence the value obtained for a t statistic. Some factors affect the numerator of the t statistic and others influence the size of estimated standard error in the denominator.
A random sample of n = 16 scores is selected from a normal distribution with a mean of μ = 50 and standard deviation of σ = 10. a) What is the probability that the sample mean will have a value between 45 and 55?
Take the Independent Variable (1) and conduct research on comparing the Dependent variables (3) and conduct analysis using SPSS (i can do this part) and write a paper with methods and results. More details can be provided if interested.
Find the area of the indicated region under the standard normal curve.
on average 9 babies are born per 24-hour day at a hospital in indianapolis.a what is the probability that at least one
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