CK-12-Basic Probability and Statistics Concepts - A Full Course

5.6. Mode http://www.ck12.org Summary This chapter covers three different measures of central tendencies, meaning where the cent ...

http://www.ck12.org Chapter 6. Normal Distribution Curves CHAPTER 6 Normal Distribution Curves Chapter Outline 6.1 STANDARDDEVIA ...

http://www.ck12.org Once you and your classmates have completed this and you are confident that you all understand the measureme ...

http://www.ck12.org Chapter 6. Normal Distribution Curves Oops! Don’t forget that the ruler cannot go through the basketball! Wh ...

6.1 Standard Deviation of a Normal Distribution 6.1 Standard Deviation of a Normal Distribu- tion Here you’ll learn the meaning ...

http://www.ck12.org Chapter 6. Normal Distribution Curves In the real world, no examples match this smooth curve perfectly. Howe ...

6.3 Standard Deviation of a Data Set http://www.ck12.org Contents Example B “The typical measurement is approximately __ minutes ...

http://www.ck12.org Chapter 6. Normal Distribution Curves b. The values within 2 standard deviations of the mean are from 3, 200 ...

6.1. Standard Deviation of a Normal Distribution http://www.ck12.org “The typical measurement is approximately __ miles per hou ...

http://www.ck12.org Chapter 6. Normal Distribution Curves 6.2 Variance of a Data Set Here you’ll learn the meaning of variance a ...

6.2. Variance of a Data Set http://www.ck12.org Step 1:Determine the mean of the data values. Step 2:Subtract the mean of the da ...

http://www.ck12.org Chapter 6. Normal Distribution Curves TABLE6.2: x (x−μ) (x−μ)^2 15 − 25 625 65 25 625 55 15 225 35 − 5 25 45 ...

6.2. Variance of a Data Set http://www.ck12.org x ̄= 15 + 65 + 55 + 35 + 45 + 25 6 = 240 6 = 40 s^2 = ∑(x−x ̄)^2 n− 1 s^2 = 625 ...

http://www.ck12.org Chapter 6. Normal Distribution Curves TABLE6.4:(continued) x (x−μ) (x−μ)^2 16.4 3.7 13.69 4.8 − 7. 9 62.41 1 ...

6.2. Variance of a Data Set http://www.ck12.org μ= ∑x n = 1 , 316. 1 18 ≈ 73. 1 σ^2 = ∑(x−μ)^2 n σ^2 = 14 , 016 18 ≈ 778. 66 The ...

http://www.ck12.org Chapter 6. Normal Distribution Curves x ̄= 760 + 790 + 800 + 780 + 850 + 790 + 750 + 820 + 810 + 800 10 = 7 ...

6.2. Variance of a Data Set http://www.ck12.org TABLE6.9:(continued) Data(x) Mean(μ) Data−Mean(x− μ) Square of Data − Mean(x−μ)^ ...

http://www.ck12.org Chapter 6. Normal Distribution Curves What would the variance have been for question 5 had the data set rep ...

6.3. Standard Deviation of a Data Set http://www.ck12.org 6.3 Standard Deviation of a Data Set Here you’ll learn the meaning of ...

http://www.ck12.org Chapter 6. Normal Distribution Curves In a normal distribution, on either side of the line of symmetry, the ...