Find the range, sample standard deviation and sample variance on the following given. Round off into 2 decimal places. 1. -1, -5, -8, -12, 4, 7, 11 2. -8.1, -6.5, -4.5, -5.3, -6.4, -3.7, -4.2, -1.6 3. 3, 5, 9, 10,8 4. 1, 2, 5, 7, 8, 9, 22 5. -23, 9, -13, 8, 10, 5, -15

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