1. What are the differences between descriptive statistics and inferential statistics?
2. What is a population?
3. What is a sample?
4. Why do we
... [Show More] take/draw samples?
5. What are some examples of using a population instead?
6. Descriptive statistics:
7. Inferential statistics:
8. What are some types of descriptive stats?
9. What is the effect of a sampling size?
10. What is sampling error?
11. Positively skewed:
12. Negatively skewed:
13. Parameter:
14. Population parameter:
15. Statistics:
16. What is the difference between a statistic and a parameter?
17. What is a construct?
18. Operational definition:
19. Independent variable:
20. Dependent variable:
21. Scale of measurement:
22. Ordinal scale:
23. Nominal scale:
24. Interval scale:
25. Ratio scale:
26. Categorical scales of measurement:
27. Continuous scales of measurement:
28. Grouped frequency distribution:
29. Class interval:
30. Frequency distribution:
31. Frequency histogram:
32. When do you use a histogram?
33. What does a normal distribution look like?
34. Symmetric distribution:
35. Normal distribution:
36. Leptokurtosis:
37. Platykurtic distribution:
38. Mean and median in positively right skewed?
39. Mean and median in negatively left skewed?
40. Frequency distribution into proportions
41. Mean, median, mode:
42. Central tendency:
43. Mean:
44. Median:
45. Mode:
46. If it is skewed you tend to use the _______________.
47. If it is a normal distribution for the most part you use ____________.
48. If it is skewed right:
49. If its skewed left:
50. Why is annual income reported as a median rather than a mean?
51. Range of scores:
52. How to find range:
53. What is variance and how is it calculated?
54. Variance:
55. What is the sum of squares?
56. What is the difference between population variance and sample variance?
57. What do you prefer when there are outliers?
58. Standard deviation:
59. What is variance and how is it calculated?
60. What does variance show?
61. Range of scores:
62. Why would a variance of standard deviation be preferred instead of a range of scores?
63. Deviation score:
64. Deviation score formula:
65. Sum of the deviations around the mean:
66. Variance formula (population):
67. Variance formula (sample):
68. What is the ss?
69. Z-score:
70. Z-score formula with se:
71. Z score formula for one sample:
72. Standard error:
73. What does a z-score data convey?
74. What is a standard score?
75. Normal distribution curve:
76. One standard deviation:
77. Two standard deviations:
78. Three standard deviations:
79. Probability and Z-Score:
80. Normal distribution curve:
81. Sample mean:
82. Central limit theorem:
83. Frequency histogram:
84. Boxplot:
85. Boxplot:
86. Which of the following is a parameter?
87. Population or sample uses Greek letters?
88. A study is conducted of the effects of studying alone or with a partner on exam scores. What is the iv in this study?
89. Which is the following is a measure?
90. A researcher takes a survey of the number of students in each college major SDSU. College major is on which scale measurement?
91. If a test is too difficult for a sample of students, what will be the shape of the distribution of test scores?
92. Why is randomness important?
93. Examples of descriptive stats:
94. Inferential statistics
95. _____________ are two guidelines for a good sample.
96. What does RCT stand for? An example?
97. What is random assignment?
98. What does a quasi-experiment lack?
99. Null and alternate hypothesis:
100. How to form an experiment 5 steps:
101. Qualitative data:
102. Quantitative data:
103. When looking at a frequency table look at __________.
104. You should always report missing _________.
105. What chart should you use for qualitative?
106. Bar chart is used for _____ data
107. Histogram is used for ___ data.
108. Central tendency error:
109. Leniency error:
110. In a normal distribution the mean =0, at what percentile? [Show Less]