Class Class Frequency Mark fx (x -x) (x -x)? f( x - x )2 Interval (f) (x) 18 – 20 10 19 190 9 90 15 – 17 13 16 208 12 – 14 9. 13 117 -3 81 9 – 11 10 30 -6 36 108 i = 3 {f = 35 E(f(x – x)² = 279 fx = 545 27. What is the mean of the grouped data rounded to the nearest whole number? В. 15 А. 14 _29. What is the variance? A. 8.17 С. 16 D. 17 В. 821 C. 8.29 D. 8.31 30. Which of the following is the standard deviation? A. 2.68 В. 2.76 C. 2.86 D. 2. 96 3.

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Limits

When it comes to calculus, limits are considered to be a very important topic of discussion. The main importance of limit lies in expressing the value of a function as it gets closer to a certain value. Also, limits can help you to understand other topics, such as continuity and differentiability better. In a broader sense, every calculus notion is a limit. Other branches of calculus have also been derived from limits.