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The correlation coefficient, which measures the strength and direction of a linear relationship between two variables, ranges from -1 to +1. -1 indicates a perfect negative linear correlation, +1 indicates a perfect positive linear correlation, and 0 indicates no linear correlation. Values outside this range, such as -2 or +2, are not possible.
31 33 69 212 ? 4286
...35 18 19 30 62 ?
6 55 91 116 132 ? .
51 86 121 156 191 ?
Given below are two number series I and II where each series has a wrong (odd one out) number. The number that will actually come in place of the wrong ...
38 18 16 28 ? 816
[(288)2 ÷ 96 × ?] ÷ 44 = 432
0.5 1.5 5 ? 76 385
...6000 3002 1503 ? 378.75 191.375 97.6875
...1, 8, 22, ?, 71, 106, 148