'Iqr' presentation slideshows

Find the range, median and interquartile range of the following data sets:

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Section 3.4 Measures of Relative Standing

Section 3.4 Measures of Relative Standing. z -scores percentiles Quartiles (Q1, Q3) interquartile range (IQR) Identifying outliers. 3- 1. Z score:. z Score (or standardized value) = the number of standard deviations that a given value x is above or below the mean. Population.

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Chapter 4: Summary Statistics

Chapter 4: Summary Statistics. In Chapter 4:. The prior chapter used stemplots and histograms to look at the shape, location, and spread of a distribution. This chapter uses numerical summaries for similar purposes. Summary Statistics. Central location Mean Median Mode Spread

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Measures of Central Tendency, Dispersion, IQR and Standard Deviation

Measures of Central Tendency, Dispersion, IQR and Standard Deviation. How do we describe data using statistical measures?. M2 Unit 4: Day 1. Statistics: numerical values used to summarize and compare sets of data.

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Describing Distributions With Numbers

Describing Distributions With Numbers. Section 1.3 (mean, median, range, quartiles, IQR) Target Goal: I can analyze data using shape, center and spread. Hw: pg 70: 79, 80, 81, 84, 87, 89. Measuring Center. Mean ( : x bar ) : The most common measure of center. Median (M).

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Statistics and Data (Algebraic)

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3-3 Measures of Variation Day 1

3-3 Measures of Variation Day 1. Discussion. We know to use the mean when the data is close together. What does close together mean? In statistics, the way data is spread out is called distribution. This can easily been seen on a graph. Discussion.

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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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Chapter 3 Looking at Data: Distributions

Chapter 3 Looking at Data: Distributions. Chapter Three Looking At Data: Distributions. Introduction 3.2 Describing Distributions with Numbers. 3.2 Describing Distributions with Numbers. Measures of Center: Mean, Median Mean versus Median Measures of Spread: Quartiles, Standard Deviation

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Measures of Spread

Measures of Spread. Which distribution has the smallest standard deviation?_____ Which distribution has the largest standard deviation?_______. I know that the graph with the smallest standard deviation typically has the smallest ________________. What are these math symbols?. Variance =.

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Influential Points and Outliers

Influential Points and Outliers. Debbi Amanti. OUTLIERS:. Data points two or three standard deviations from the mean of the data. Observations that differ significantly from the pattern of the REST OF THE DATA

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Exploration of Mean & Median

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Question

Question. Take away six matches to leave 10. Question. Take away four matchsticks to leave exactly four small equilateral triangles. Question. Can you move two matches to make 7 squares. Question. Take away two matches to leave two squares. Question.

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13.8 Box and Whisker Plots

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Interpreting Data Sets

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Descriptive Statistics

Descriptive Statistics. The following data shows the number of movies 88 students watched one week during the summer. Descriptive Statistics. Data must be entered into your calculator. The median The third quartile The IQR. Calculate: The sample mean The first quartile.

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Describing Distribution with Numbers

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Sohie al- dhodh

Sohie al- dhodh. Assignment 3. 120090243. For the primary no. from 1 to 22 inclusive Find the standard deviation and IQR. Standard Deviation. IQR ( Inter quartile Range). IQR = Q 3 - Q 1 Q 1 = percentile 25% Q 3 = percentile 75%.

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TAREQ ABU SHAHLA

TAREQ ABU SHAHLA. 120090146. Assignment 3. For the primary no. from 1 to 22 inclusive Find the standard deviation and IQR. Standard Deviation. IQR ( Inter quartile Range). IQR = Q 3 - Q 1 Q 1 = percentile 25% Q 3 = percentile 75%.

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SuLIMAN ABU tair

SuLIMAN ABU tair. Assignment 3. 120090179. For the primary no. from 1 to 22 inclusive Find the standard deviation and IQR. Standard Deviation. IQR ( Inter quartile Range). IQR = Q 3 - Q 1 Q 1 = percentile 25% Q 3 = percentile 75%.

151 views • 3 slides