'Number summary' diaporamas de présentation

Chapter 1 Exploring Data

Chapter 1 Exploring Data. Introduction. Statistics: the science of data. We begin our study of statistics by mastering the art of examining data. Any set of data contains information about some group of individuals. The information is organized in variables. Individuals:

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Unit 4: Describing Data

Unit 4: Describing Data. Central Tendency S.ID.2: Use statistics appropriate to the shape of the data distribution to compare center and spread of two or more different data sets. Essential Question: How do I find the mean, median, mode, and range in a numerical set of data?. Vocabulary:

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Statistics 100 Lecture Set 6

Statistics 100 Lecture Set 6. Re-cap. Last day, looked at a variety of plots For categorical variables, most useful plots were bar charts and pie charts Looked at time plots for quantitative variables Key thing is to be able to quickly make a point using graphical techniques. Re-cap.

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Please wait

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STA 291 Fall 2009

STA 291 Fall 2009. Lecture 5 Dustin Lueker. Measures of Central Tendency. Mean - Arithmetic Average . Median - Midpoint of the observations when they are arranged in increasing order. Notation: Subscripted variables n = # of units in the sample N = # of units in the population

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5-Minute Check on Lesson 1-3b

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Describing Distributions with Numbers

Describing Distributions with Numbers. S.O.C.S SHAPE: approximately symmetric, left-skewed, right-skewed OUTLIER(S): list them CENTER: mean or median SPREAD: range, interquartile range, or standard deviation If you use mean for the center, then use standard deviation for the spread.

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Displaying and Describing Categorical Data

Displaying and Describing Categorical Data. Chapter 3. Contingency Table (a.k.a. Two-way Table). A table that shows the frequency distribution across two variables. The Super Bowl Indicator. Can the winner of the Super Bowl predict the stock market?

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Chapter 5 Exploring Data: Distributions

Chapter 5 Exploring Data: Distributions. February 9, 2010 Brandon Groeger. Outline. What is Statistics? Data Distributions Histograms Stemplots Mean, Median, and Quartiles Standard Deviation and Variance Normal Distribution Extensions and Applications Discussion. What is Statistics?.

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Box and Whisker Plots and the 5 number summary

Box and Whisker Plots and the 5 number summary. Mr. J.D. Miles Turner Middle School Atlanta Georgia milesmath@gmail.com www.JovanMiles.com. The 5 Number Summary. The five number summary is another name for the visual representation of the box and whisker plot.

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Who wants to be a Millionaire?!

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Outliers

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5 Number Summary

5 Number Summary. Even Numbered Data Sets. Even Numbered Data Sets. If the data set has an even number of numbers, we find the mean of the two middle numbers to find the median of the set 2, 4, 5, 6, 7, 8, 9, 11, 19, 20 The median is 7.5. Even Numbered Data Sets.

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The study of randomness

The study of randomness. Kerrie Allen Jennifer Davis Chris Alexander. Observation. The percentages of heads rarely reaches below 50 percent. The minimum number is 25 percent and the maximum is 100 percent. From the raw data on the previous slide you see we collected 14 heads and 11 tails.

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Review

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Spread: Home on the Range

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Graphing a 5 Number Summary

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Listed below is a number summary of the pyramid:

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TRANSACTION TIMES

Abstract. Results. Conclusion.

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