81. Which of the following refers to the circumstance in which the variability of a variable is unequal across the range of values of a second variable that predicts it?
82. Some chunks have to be re-computed every time you re-knit the file.
83. Which of the following is useful way to put text, code, data, output all in one document?
84. Chebyshev's inequality states that the probability of a "Six Sigma" event is less than . . . . . . . .
85. Which of the following can be used for data analysis model?
86. Statistical inference is the process of drawing formal conclusions from data.
87. Which of the following will copy the plot from one device to another?
88. Point out the correct statement.
89. Which of the following clustering type has characteristic shown in the below figure?
90. Which of the following outcome is odd man out in the below figure?
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