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A social scientist believes that university theology professors are more conservative in political orientation than their colleagues in psychology. A random sample of 8 professors from the theology department and 12 professors from the psychology department at a local university are given a 50-point questionnaire that measures the degree of political conservatism. The following scores were obtained. Higher scores indicate greater conservatism.a. What is the alternative hypothesis? In this case, assume a non-directional hypothesis is appropriate because there are insufficient theoretical and empirical bases to warrant a directional hypothesis.b. What is the null hypothesis?c. What is your conclusion? Use the Mann-Whitney U test and α = 0.052 tail.Theology Professors Psychology Professors36 1342 2522 4048 2931 1035 2647 4338 1712322732
Scores on the ACT test have a mean of 21.1 and a standard deviation of 4.8. which is relatively better: a score of 1840 on he SAT or a score of 26.0 on the ACT test? why?
A mean score of 600 and a standard deviation of 100. What credit score defines the top five percent of scores. Within what range would 85% of credit score fall.
IQ score in this sample is . If the organization's claim is correct, what is the probability of having a sample mean of or less for a random sample of this size?
Diastolic blood pressure (DBP) values were measured for 150 patients using two medical devices. The mean DBP values using the two devices are 120 and 122 respectively. Also the standard deviation of the difference of the measurements is 0.634. Te..
A box contains six parts. Two of the parts are defective and four are ok. If three of the six parts are selected from the bin, how large is the sample space?
The data are number of trials to learn to go left at the first turn in a maze for each of their 20 rats. Answer each of the four questions and don't forget to include a verbal statement of your interpretation of the outcomes.
What is the number of neurons n such that the probability of more than n neurons have higher firing rates for Condition 1is 0.99?
The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes. What is the probability that the arrival time between customers will more than 20 minutes?
Let X equal the number of "ones" if a fair dice is tossed two independent times by someone out in the hall. If X=x that person gives the player a bowl consisting of 10-3x red chips and 3x white chips.
A humane society claimes that less than 36% of U.S. households own a dog. In a random sample of 396 U.S. households, 151 say they own a dog. At x=0.04, is there enough evidence to support the society's claim?
4th graders in the US take a standardized test for math. The national average score is 237. Did your state, as represented by your students, out perform the national average using a statistically significant measure?
A local computer sales office sent the following information about the computer system installation. Identify the critical path by computing the ET, LT, TS and FS values.
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