Theory of Probability and Mathematical Statistics.d

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  1. Which of the following values is used as a summary measure for a sample, such as a sample mean?
  2. Which of the following is a branch of predictive statistics?
  3. The control charts and procedures of descriptive statistics which are used to enhance a procedure can be classified into which of these categories?
  4. Which of the following can also be represented as sample statistics?
  5. To which of the following options do individual respondents, focus groups, and panels of respondents belong?
  6. What are the variables whose calculation is done according to the weight, height, and length known as?
  7. Which method used to examine inflation rate anticipation, unemployment rate, and capacity utilisation to produce products?
  8. Specialised processes such as graphical and numerical methods are utilised in which of the following?
  9. What is the scale applied in statistics, which imparts a difference of magnitude and proportions, is considered as?
  10. Review of performance appraisal, labour turnover rates, planning of incentives, and training programs are the examples of which of the following?
  11. A graphical method of representing the sample points of a multiple-step experiment is …
  12. If the frequency curve has a longer tail to left, the distribution is …
  13. Decumulative frequency is presented by …
  14. Which of the following is an example of compressed data: …
  15. A circle in which sectors represents various quantities is called …
  16. The frequency polygon is a closed diagram of …
  17. Frequency curve is …
  18. A histogram is …
  19. Component bar charts are used when data is divided into: …
  20. A Histogram containing a set of …
  21. Which of the following is appropriate to graph a single categorical variable?
  22. Which of the following is appropriate to graph a single continuous variable?
  23. A mosaic plot is used when graphing …
  24. Which of the following is not a recommended type of graph?
  25. Density plots, histograms, and boxplots can all be used to …
  26. The graph which shows the changes over a specific time period is called …
  27. The vertical axis of bar graph is also known as …
  28. Considering the line graph, the x-axis represents …
  29. Considering the line graph, the y-axis represents …
  30. The horizontal axis of bar graph is also known as …
  31. Which measure of central tendency takes into account the magnitude of scores?
  32. The median of an ordered set of data is the value that represents …
  33. A measure of central tendency, given as the value above which half of the values fall and below which half of the values fall is called the …
  34. What is the median of the following set of scores? 19, 5, 12, 10, 14?
  35. The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?
  36. On his first 5 biology tests, Bob received the following scores: 72, 86, 92, 63, and 77. What test score must Bob earn on his sixth test so that his average (mean score) for all six tests will be 80
  37. Following are the disadvantages of Mean except …
  38. Which of the following is NOT a common measure of central tendency?
  39. There are two methods of finding mode in discrete series …
  40. Following are the partition values except …
  41. The techniques which provide the decision maker a systematic and powerful means of analysis to explore policies for achieving predetermined goals are called …
  42. Correlation analysis is not a …
  43. If change in one variable results a corresponding change in the other variable, then the variables are …
  44. When the values of two variables move in the same direction, correlation is said to be …
  45. When the values of two variables move in the opposite directions, correlation is said to be …
  46. When the amount of change in one variable leads to a constant ratio of change in the other variable, then correlation is said to be …
  47. … attempts to determine the degree of relationship between variables.
  48. Non-linear correlation is also called …
  49. Scatter diagram is also called …
  50. If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called …
  51. If you rolled a 6-sided dice, what is the probability of rolling a 3?
  52. If you flipped 2 coins, what is the probability that both will land on tails?
  53. If you rolled a 6-sided dice, what is the probability of rolling a even number?
  54. A lolly bag contains 2 red, 3 green and 2 blue gum balls. What is the probability of selecting a green one?
  55. A card is selected from a deck of playing cards. What is the probability of selecting a red card?
  56. What is the probability of selecting the diamond suit from a deck of playing cards?
  57. What is the probability of rock beating paper?
  58. If you flipped a coin, what is the probability it will land on heads?
  59. There are red, yellow and green lollipops in a bag. What is the probability of selecting a blue one?
  60. What is the probability of paper losing to scissors?
  61. Data originally collected in the process of investigation are known as …
  62. Census is …
  63. Statistical enquiry means …
  64. … are those which are already in existence and which might be collected for some purpose other than the answering of the question in hand.
  65. Which law is also called Principle of Stability of Mass Data …
  66. Following are the method of restricted random sampling except …
  67. An enquiry in which each unit of the universe is studied is called …
  68. Cluster sampling means …
  69. How sample method is differ from census method on the basis of cost?
  70. In … information is recorded by the informants themselves whereas in … information as supplied by the informants is recorded by the enumerators.
  71. Which of the following are not the assumptions underlying the use of parametric tests (based on the normal distribution)?
  72. Which of the following is the least affected by outliers?
  73. Which of the following is not a transformation that can be used to correct skewed data?
  74. If we were to pull all possible samples from a population, calculate the mean for every sample, and construct a graph of the shape of the distribution based on all of the means, what would we have?
  75. Approximately what percentage of people would have scores lower than an individual with a z-score of 1.65 in a normally distributed sample?
  76. The binomial distribution depends on which of the following?
  77. The normal distribution depends on which of the following?
  78. In a normal distribution, 95% of observations are …
  79. A sampling distribution shows …
  80. The z-score is …