General Business Statistics MCQs

1. As Variable X changes, Variable Y changes but in only one direction. This is an example of a ______________ relationship.

2. Which convention is used to represent the population mean?

3. The level of significance in ANOVA refers to the chance that you will ______________.

4. Correlation analysis assumes that Variable X and Variable Y are:

5. The alternative hypothesis states that the difference in the means of the treatment and control groups is ______________.

6. Costco is preparing to give out surveys to all its weekend shoppers as part of its new promotional campaign. This is an example of a ______________ study.

7. Which is not a data collection method?

8. Correlational analysis is concerned with the ______________ and ______________ of the relationship between two variables.

9. What are the main sources of stress during your workday? is an example of a(an) ______________ question.

10. Conducting a focus group is an example of ______________ research design.

11. ______________ research design is usually used when little information is available about the object of study.

12. A correlation coefficient of weight and cholesterol (HDL) is deemed to be negative. As weight increases, HDL levels

13. In the above table, the probability of choosing a Male that Own a Wii out of the entire sample is:

14. A stem-and-leaf display is a way to organize ______________ data into chunks?

15. A marketing specialist is studying the effect of retirement on spending habits. Retirement, in this case, is the ______________ variable.

16. A good ______________ translates a research question into a format that can be tested using statistical analysis

17. A scatter plot shows the relationship between Variable X and Variable Y ______________.

18. The difference between a ______________ and a ______________ is a very important concept in Business Statistics.

19. The null hypothesis states that the difference in the means of the treatment and control groups is ______________.

20. A very large random error term (ei) indicates a ______________ relationship between the dependent variable and independent variable(s).

21. When conducting business research, the first step in the process is to formulate a ______________.

22. Numerical data or measure that describes a sample is ______________.

23. A correlational study is likely to use ______________ research design.

24. A Type II error is the probability of ______________ the null hypothesis when it should be ______________.

25. Which gives you information on the spread or scatter of your data?

26. What produces a number that takes into account how far every data point differs from the mean calculated for the entire data set?

27. There are ______________ coefficients that must be calculated in the simple linear regression equation

28. Which sample items are chosen from a larger population without any regard for their probabilities or occurrences?

29. The population that you are interested in studying is called a ______________.

30. One of the limitations of multiple regression is that it (is) ______________.

31. In the above table, the probability of choosing a Female that does NOT own a Wii out of the entire sample is:

32. Advantages of the survey and questionnaires method of business research EXCEPT:

33. Gaining information from government archives and data repositories is an example of ______________ data.

34. The mean of the above sample is ______________.

35. ______________ regions are regions that are necessary to make business decisions on a data curve.

36. A ______________ presents data from two sets of observations or variables.

37. In the simple linear regression model, the intercept is the ______________.

38. Correlation analysis provides information about the relationship between two variables EXCEPT:

39. To study the effectiveness of a new car oil on engines, two sets of cars are split into ______________ and ______________ groups.

40. IBM and Apple are interested in opening stores in the same small Midwestern town. The companies pose ______________ to each other's sales figures due to competition.

41. What is a list of common elements that allows you to access your population?

42. Which is NOT an example of central tendency?

43. Regression analysis is based on ______________ statistical tools.

44. Standard deviation is a measure of how well data points _________________ around a central value.

45. Unlike linear regression analysis, multiple regression can conduct both linear and __________ analysis.

46. Which types of data are called Parametric data?

47. A researcher puts a placebo in a container and administers it to one of his groups. This is the _______ group.

48. An up-slope in the trend line of a regression scatterplot means that the correlation between the two variables is ________.

49. Which of the following is not an example of Formal Research?

50. As more police officers patrol an intersection, accidents decrease in frequency. This is an example of a _________ correlation.

51. When comparing two different samples, an analysis is done on their ___________.

52. What type of analysis is Estimation?

53. Ordinal numbers or data are concerned with _____________.

54. Conclusions drawn from a multiple regression analysis depends on all the following factors EXCEPT:

55. Which thing that must be considered in business research ethics EXCEPT

56. The random error term (ei) refers to deviations of individual values from the ____________ of the sample.

57. In which method do the opinions of pre-selected experts solicited in a study?

58. The _________ is generally used to provide an idea about the average value in your data set.

59. Like with other statistical tools, conclusions drawn from ANOVA depend on the following EXCEPT:

60. Many statistical calculations are based on _____________.

61. In multiple regression analysis, a business researcher must manipulate more than one ________ variable.

62. The more your data values are spread out, the _________ your range, variance and standard deviation.

63. Nominal data uses numbers to indicate a _______________.

64. A decision tree helps you the following management decision EXCEPT:

65. Customer satisfaction and sales figures have a correlation coefficient value of +0.95. This indicates that ___________.

66. Your company investors want a visual representation that outlines the risks and benefits of launching a new product in 2011. To do so, you prepare a ____________ table.

67. In the linear regression equation, the slope (b1) is the estimated change of _________________

68. To construct a scatterplot, you need at least __________ variables to plot.

69. Regression analysis is used to predict the value of the _________ value from the __________ value.

70. Which provide information about the distribution of the data around the mean?

71. ______________is a method used frequently in choosing samples from populations that differ in ethnic and socioeconomic status.

72. One of the purposes of conducting business research is to make _____________ about future outcomes.

73. Testing an entire population to determine its parameters is done rarely because it is _______.

74. Which is a graphic representation of data based on paired observations?

75. A ________________ tree helps you reach a decision on whether to rehire the same promotions company or prepare a Request for Proposals.

76. In probability calculations, the number of ways that an event can occur is divided by ___________:

77. The number of hours worked are positively correlated with the number of mistakes made in the workplace. This means that _____________.

78. Your research shows that there is NO difference between the control and treatment groups. Following this, you decide to ________ the null hypothesis.

79. Which is a method that arranges your target population into an ordered scheme from which you can choose participants or items at regular intervals?

80. A pharmaceutical researcher is trying to predict the number of allergic reactions to his developed drug to the age of his volunteers. The number of allergic reactions, in this case, is the ______________ variable.

81. _____ is the value of a variable that is estimated from a sample.

82. ______ is any change in the content or organization of long-term memory or behavior.

83. A paradigm ________.

84. According to the action research model, the _____ before diagnosing the need for change.

85. Business reports that list only totals, with no individual item details, are called ____.

86. ________ probability represents the likelihood of a single event occurring by itself.

87. For a data set, half of the observations are always greater than the _______.

88. When the acquired firm has a weak culture, it is best to use the _____ merger strategy.

89. The standard deviation of any uniform probability distribution is ____________.

90. The fourteenth amendment was critically important for civil liberties because it ________.

91. Profits or losses incurred by an organization are represented in its _____.

92. The range of the coefficient of skewness is ____________.

93. The true sampling error is usually not known because ________.

94. The form of the continuous uniform probability distribution is _____.

95. Are subject to validity problems due to evaluator bias.

96. A ____________ variable can have values that are numbers on the real number line.

97. If the time series in an exponential smoothing model exhibits a negative trend, the _____.

98. A retailer targeting low income groups is an example of the _____ strategy.

99. As a general guideline, the research hypothesis should be stated as the _____.