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A researcher has found that pilots taking an over the counter antihistamine have poor reaction times. They performed an experiment on 22 pilots: 11 took the medication and 11 did not. Their reaction times to a command by Air Traffic Control was considered to be adequate or inadequate. Among those taking the medication, 8 were rated inadequate and 3 adequate. Among those not-taking the medication, 10 were rated adequate and only 1 inadequate.
• Construct a contingency table.
• Run the Chi-Square test for independence using the calculator in the module. Note that StatCrunch does NOT support this type of Chi-Square.
• State your findings and their significance. Do not forget to give summary statistics in APA format.
• What is the problem with this research study? Is the Chi-Square test appropriate? Why or why not? What could the researcher do to potentially rectify the problem?
A sample of n=10 in each treatment. For this study, the three samples have SS1=10, SS2=20, and SS3=15. What value would be obtained for MSwithin?
Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 406 jawbreakers that weigh more than .4 ounces?
an anatomy teacher hypothesizes that the final grades in her class are distributed as 10 as 23 bs 45 cs 14 ds and 8 fs.
a purchaser of electrical components buys several lots where each lot comes in a bundle of 6 distinct components. it is
It has been reported that 80% of taxpayers who are audited by the Internal Revenue Service end up paying more money in taxes. Assume that auditors are randomly assigned to cases, and that one of the ways the IRS oversees its auditors is to monitor..
A pair of dice is tossed once. Let X denote the sum of the face values, and let Y denote the absolute value of the difference between the face values.
Administrative staff based at a business school in the UK are advised to take a 15 minute break from their personal computer after working on it for 90 minutes continuously. A random sample of 36 staff revealed that, one average a break was taken aft..
george is curious. he has been told that the average body temperature of humans is 98.6 degrees fahrenheit. however he
in the powerballreg lottery the player chooses five numbers from the first field of 59 numbers and one powerball
Does the data set represent a sample or a population? If it is a sample, describe the population from which it has been drawn.
What is the probability that at least one of the 40 shuttle missions scheduled over the next 5 years results in a critical-item failure?
Addition Thermo on Probability - If a man is randomly selected for an interview, what is the chance he will Play football or basketball?
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