'7 rule' diaporamas de présentation

Chapter 5 The Standard Deviation and the Normal Model

Chapter 5 The Standard Deviation and the Normal Model. 68-95-99.7 rule. Mean and Standard Deviation (numerical). Histogram (graphical). 68-95-99.7 rule. The 68-95-99.7 rule; applies only to mound-shaped data. 68-95-99.7 rule: 68% within 1 stan. dev. of the mean. 68%. 34%. 34%.

723 views • 71 slides

Introduction to Statistics

485 views • 33 slides

Chapter 6 Part 1 Using the Mean and Standard Deviation Together

Chapter 6 Part 1 Using the Mean and Standard Deviation Together. z-scores 68-95-99.7 rule Changing units (shifting and rescaling data). Z-scores: Standardized Data Values. Measures the distance of a number from the mean in units of the standard deviation. z-score corresponding to y.

442 views • 32 slides

Chapter 6 Part 1 Using the Mean and Standard Deviation Together

Chapter 6 Part 1 Using the Mean and Standard Deviation Together. z-scores 68-95-99.7 rule Changing units (shifting and rescaling data). Z-scores: Standardized Data Values. Measures the distance of a number from the mean in units of the standard deviation. z-score corresponding to y.

427 views • 32 slides

Chapter 6 Part 1 Using the Mean and Standard Deviation Together

Chapter 6 Part 1 Using the Mean and Standard Deviation Together. z-scores 68-95-99.7 rule Changing units (shifting and rescaling data). Z-scores: Standardized Data Values. Measures the distance of a number from the mean in units of the standard deviation. z-score corresponding to y.

326 views • 32 slides

2.4 (cont.) Using the Mean and Standard Deviation Together

2.4 (cont.) Using the Mean and Standard Deviation Together. 68-95-99.7 rule z-scores. 68-95-99.7 rule. Mean and Standard Deviation (numerical). Histogram (graphical). 68-95-99.7 rule. The 68-95-99.7 rule; applies only to mound-shaped data.

218 views • 21 slides

2.4 (cont.) Using the Mean and Standard Deviation Together

2.4 (cont.) Using the Mean and Standard Deviation Together. 68-95-99.7 rule z-scores. 68-95-99.7 rule. Mean and Standard Deviation (numerical). Histogram (graphical). 68-95-99.7 rule. The 68-95-99.7 rule; applies only to mound-shaped data.

275 views • 18 slides

The Normal Distribution

318 views • 14 slides

Chapter 13, Part 1

191 views • 9 slides

AP Statistics Review

AP Statistics Review. Standardizing Data and Normal Model(C6 BVD) C6: Z-scores and Normal Model. Imagine a list of data, such as (1,3,5,7,9). If you add/subtract something to all the data, what happens to center (mean)? Spread ( Sx )?

151 views • 8 slides

Chapter 5: Exploring Data: Distributions Normal Distributions (5.8)

Chapter 5: Exploring Data: Distributions Normal Distributions (5.8). Normal Distributions When the overall pattern of a large number of observations is so regular, we can describe it as a smooth curve. Normal curves are symmetric and bell-shaped, smoothed-out histograms.

374 views • 7 slides