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Three experiments delving into the relationship between the neccecisity for cognitive closure and persuasion were reported in "Motivated Resistance and Openess to Persuasion in the Presence or Absence of Prior Information" by A.W. Kruglanski.
Part of the study involved administering a "need for closure scale" to a group of students enrolled in an introductory psychology course. The "need for closure scale" has scores ranging from 101 to 201. For the 73 students in the highest quartile of the distribution, the mean score was x = 178.70.
Assume a population standard deviation of standard deviation = 7.81. These students were all classified as high on their need for closure. Assume that the 73 students were all classified as high on their need for closure. Assume that the 73 students represents a random sample of all students who are classified as high on their need for closure. Find a 95% confidence interval for the population mean score "mhu" on the 'need for closure scale' for all students with a high need for closure.
Compute the coefficient of determination, r 2 , and interpret its meaning.
Compute the kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
A student passes the test if his/her grade is larger than or equal the passing grade. What score should she set as the lowest passing grade?
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a survey is to be made of the prevalence of the common disease in a large population. for any disease that affects
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Many retail stores offer their own credit cards. At the time of the credit application the customer is given a 10 percent discount on the purchase.
the closing stock price for each of two stocks was recorded over a 12-month period. the closing price for the dow jones
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
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