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Sixteen juvenile rats were treated with the drug Naloxone (pairs 1,3,7,8) or, as a placebo control, Saline (pairs 2,4,5,6) and then observed for their play and non-play behavior in an open field for 1.5 minutes. The goal of the research was to test the idea that the inhibition of endogenous opioid neuro-transmission (this is what naloxone does) will reduce play behavior, but have no effect on other social or non-social behaviors.
A) Write a research hypothesis for this experiment.
B) Write a null hypothesis for this experiment.
C) Write 1 alternative (research) hypothesis for this experiment. (Note: you cannot use a behaving that is part of your research hypothesis or null hypothesis for the alternative.).
Using the raw measurement data presented below, calculate the t value for independent groups to determine whether or not there exists a statistically significant difference between the salaries of female and male human resource managers.
For this same sample of n = 45, find out the width of confidence interval around population mean? Illustrate all work.
What is the underlying variable that indirectly correlates these 2 variables? What other variables could you identify as having an indirect relationship?
The probability is 90% that the sample percentage will be contained within what symmetrical limits of the population percentage?
A store has an average of 25 people arriving each minute to checkout and each person on the average require 4 minutes to be processed at the checkout. What is the minimum number of cashiers required?
For a regional survey of suburban households to obtain data on television viewing habits, a statistical sample of suburban areas is first selected. Within the chosen areas, statistical samples of whole blocks are selected; and within the selected..
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
What percentage of men are too tall to fit though a standard doorway without bending, and what percentage of women are too tall to fit through a standard doorway without bending?
The following table summarizes data between money spent on gambling and winnings for Robert.
According to a report by Scarborough Research, the average monthly household cellular phone bill is $73. Suppose local monthly household cell phone bills are normally distributed with a standard deviation of $11.35.
Craft one page brief of the statistical results (include any additional pages needed for any APA tables or graphs and the SPSS syntax and output) in which you do the following:
Suppose there is no cyclical component. Quarterly billing for water usage is shown below describe summer billing for year 5.
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