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jasenka [17]
3 years ago
6

complete the standard deviation of the following set of data to the nearest whole number: 8, 12, 15, 17, 18​

Mathematics
1 answer:
kogti [31]3 years ago
4 0

Answer:

4

Step-by-step explanation:

1. Find the Mean

(8+12+15+17+18)/5=14

2.For each number, subtract the Mean and square the result.

(8-14)^2=36

(12-14)^2=4

(15-14)^2=1

(17-14)^2=9

(18-14)^2=16

3. Find the Mean of those squared differences.

(36+4+1+9+16)/5=13.2

4.Take the square root of that and this is what you want.

square root of 12.7 = 3.6 (round up to 4)

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Factor the expression completely. 6×3- 4×2 – 16x A. 0 B. 2x(3×2 – 2x – 8) C. 2x(3x + 4)(x – 2) D. 4x(2x + 1)(x – 4) E. 2x(2×2 +
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<u>Factor out x from the expression</u>

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