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7. In a situation where in a confidence level.01 what percent of the measurement results are left to chance? (Points: 3);8. What is the most important ingredient in a statistical testing procedure? (Points: 3);9. If a production manager wanted to determine whether or not the first shift was processing more widgets than the second shift, what type of statistical process would be used? (Points: 3);10. What type of t test seeks to determine whether or not a relationship exists in one sample over two conditions? _______________ (Points: 3);11. Which of the examples below represent the Ratio level of scaling?;A) A high temperature of 83 degrees Fahrenheit;B) A survey result that 24 students work full time, 36, part time.;C) Bill is consistently rated most effective communicator of his group.;D) Gallup says that 60% of the voters support the incumbent.;E) Pick up three pounds of ground beef please.;F) Patty acts as expected based on her first-born family position.;G) Seattle at an altitude of 67 feet is higher than Death Valley at an altitude of ? 120.;H) The door is 37 inches wide, the door frame is 36 inches wide.;(Points: 3);B, C and F;D, E and G;C, F and H;A, E and H;12. Select those issues that only relate to selecting a specific statistical test. (Do not select items common to all tests or not applying to statistical tests.) (Points: 3);The distribution (shape) of the population (e.g., normal, skewed, flat, etc.);The measurement scale/nature of the data being evaluated (nominal, ordinal, interval or ratio);The size of the population (assuming it is much larger than any samples);The level of significance (_) you wish to place on the test results;Whether you have matched/related or unmatched/unrelated samples;The degrees of freedom (sample size) associated with your sample(s);The statement of the null and research hypotheses;Whether the sample was stratified or not;13. Which of the following apply to Populations?;A) parameter;B) ?Roman? letters, i.e.: x, s;C) A bounded, defined complete group (people, objects, etc.) having something in common to be described in its totality;D) ?Greek? letters, i.e.:?,?;E) One or more subsets of a larger defined group, used to represent the larger group;F) 170 Republicans selected randomly from King County voter records;G) All Democrats in the state of Washington (totality);(Points: 3);A, B, E;B, C, D;C, D, G;E, F, G;14. As an Argosy student, you are designing a training program to help develop team cohesiveness in a healthcare facility. You have a before and after test which measures behaviors indicating team cohesiveness. For this scenario, which of the following represents the Null hypothesis?;A) H1: There is a significant difference in the teaming behavior before and after the training.;B) H0: There is no significant difference in the teaming behavior before and after the;training.;C) H1: There is no significant difference in the teaming behavior before and after the;training.;D) H0: There is a significant difference in the teaming behavior before and after the training;(Points: 3);H1: There is a significant difference in the teaming behavior before and after the training.;H0: There is no significant difference in the teaming behavior before and after the training.;H1: There is no significant difference in the teaming behavior before and after the training.;H0: There is a significant difference in the teaming behavior before and after the training;19. The null hypothesis states that a difference, effect or relationship exists in a research situation? (Points: 1);True;False;20. The confidence level expresses the degree of certainty that an interval will include the actual value of the population parameter? (Points: 1);True;False;30. A distribution of 6 scores has a median of 21. If the highest score increases 3 points, the median will become (Points: 3);21;21.5;24;Cannot be determined without additional information;none of these;34. A graphical presentation may accomplish ALL BUT which of the following objectives? (Points: 3);Illustrate the amount of variation in the data.;Illustrate approximately where the mean is;Allow comparison with similar data;Will have the exact same shape regardless of what units are used on the axes.;35. A coach in a large high school thinks that ballet training will improve the batting performance of his baseball team. He decides to have a randomly selected half of the team take six weeks of ballet training before the baseball season begins, while the other half does not take such training. He will then compare the season batting averages of group A (those with ballet training) and group B (those without ballet training) by comparing the mean of group A with the mean of group B.;An independent variable is: (Points: 3);ballet training;batting average;runs batted in;the size of the school;the grades the players make in the ballet school;36. Word Problems: Based on the data set provided, provide a substantive narrative explanation of the process involved in creating the frequency distribution table and the frequency histogram. Provide as much detail as possible.;The following data represent scores of 50 students in an applied business statistics test.;72 72 93 70 59 78 74 65 73 80;57 67 72 57 83 76 74 56 68 67;74 76 79 72 61 72 73 76 67 49;71 53 67 65 100 83 69 61 72 68;65 51 75 68 75 66 77 61 64 74 (Points: 4);37. Word Problems: Compute the sample mean, sample median X(M), sample range, and sample variance.;The following data represent scores of 50 students in an applied business statistics test.;72 72 93 70 59 78 74 65 73 80;57 67 72 57 83 76 74 56 68 67;74 76 79 72 61 72 73 76 67 49;71 53 67 65 100 83 69 61 72 68;65 51 75 68 75 66 77 61 64 74 (Points: 4);38. Word Problem: Does the data set represent a sample or a population? If it is a sample, describe the population from which it has been drawn.;The following data represent scores of 50 students in an applied business statistics test.;72 72 93 70 59 78 74 65 73 80;57 67 72 57 83 76 74 56 68 67;74 76 79 72 61 72 73 76 67 49;71 53 67 65 100 83 69 61 72 68;65 51 75 68 75 66 77 61 64 74 (Points: 4);39. Word Problems: The number of widgets produced by 9 employees in an eight hour shift is recorded as: 135, 120, 116, 119, 121, 125, 135, 131, 123;Find the mean number of widgets produced. (Points: 3);40. Word Problems: The number of widgets produced by 9 employees in an eight hour shift is recorded as: 135, 120, 116, 119, 121, 125, 135, 131, 123;What is the range of widgets produced given in the problem presented above? (Points: 3);41. Word Problems: The number of widgets produced by 9 employees in an eight hour shift is recorded as: 135, 120, 116, 119, 121, 125, 135, 131, 123;What is the mode of the number of widgets produced presented above? (Points: 3);42.

Paper#77293 | Written in 18-Jul-2015

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