'Interquartile range iqr' presentation slideshows

Chapter 1 Section 1.2

Chapter 1 Section 1.2. Describing Distributions with Numbers. Parameter -. Fixed value about a population Typical unknown. Statistic -. Value calculated from a sample. Measures of Central Tendency. parameter. Mean - the arithmetic average Use m to represent a population mean

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Did you sign up for My Stat Lab?

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Chapter Two

Chapter Two. Summarising numerical data: the median, range, interquartile range and box plots. The two most commonly used types of statistics are classified as: Measures of centre Measures of spread. Summary Statistics for Numerical Data.

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Measures of Position and Outliers

Measures of Position and Outliers. z-score (standard score) = number of standard deviations that a given value is above or below the mean (Round z to two decimal places). Ordinary values: between and including -2 and 2 Unusual values: less than -2 and greater than 2.

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Plan for Today :

Plan for Today :. Chapter 11: Displaying Distributions with Graphs. Chapter 12: Describing Distributions with Numbers. Histograms. Pie chart and bar graph are the common graphs of the distribution of a categorical variable.

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Math 310

Math 310. Section 8.1 & 8.2 Statistics. Centers and Spread. A goal in statistics is to determine how data is centered and spread. There are many different ways to measure these two aspects. Measures of Center. Mean Median Mode. Measures of Spread. Range Interquartile range (IQR)

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Sample Mean-

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Learn calculate, interpret, and compare measures of variation in a data set.

Learn calculate, interpret, and compare measures of variation in a data set. Vocabulary. box-and-whisker plot quartiles variation inter-quartile range (IQR). Ms. Snow asks some of her students how many pets they have. The responses are 9, 0, 4, 1, 1, 2, 3, 5, and 2 pets.

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Describing ONE Variable

Describing ONE Variable. What is the typical value? Central Tendency Measures Mode Median Mean How Typical is the typical value? Measures of Variation Range InterQuartile Range IQR Variance/Standard Deviation. Central Tendency Measures. What is the typical value? Mode

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Describing ONE Variable

Describing ONE Variable. What is the typical value? Central Tendency Measures Mode Median Mean How Typical is the typical value? Measures of Variation Range InterQuartile Range IQR Variance/Standard Deviation. Central Tendency Measures. What is the typical value? Mode

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The range and interquartile range

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Lesson 3 - 4

Lesson 3 - 4. Measures of Position. Objectives. Determine and interpret z-scores Determine and interpret percentiles Determine and interpret quartiles Check a set of data for outliers. Vocabulary.

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BEFORE THE BELL RINGS Please copy your homework into your assignment book

BEFORE THE BELL RINGS Please copy your homework into your assignment book. Thursday, December 8, 2016. Warm-up Box and Whisker Plot Practice Homework: Frequency and Histograms HW.

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For what values do class A's distribution and class B's distribution overlap?

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