Central Tendency Central Tendency – measures of location for a distribution Mode – the commonly occurring number in a data set Median – the middle score.

Slides:

Advertisements

Similar presentations

Central Tendency Mean – the average value of a data set. Add all the items in a data set then divide by the number of items in the data set.

Advertisements

Measures of Central Tendency. Central Tendency “Values that describe the middle, or central, characteristics of a set of data” Terms used to describe.

Statistics—Chapter 5 Measures of Central Tendency Reading Assignment: p , ,

Normal Distributions What is a Normal Distribution? Why are Many Variables Normally Distributed? Why are Many Variables Normally Distributed? How Are Normal.

1 Measures of Central Tendency Greg C Elvers, Ph.D.

Chapter 4 Measures of Central Tendency

Numerical Measures of Central Tendency. Central Tendency Measures of central tendency are used to display the idea of centralness for a data set. Most.

Quiz 2 Measures of central tendency Measures of variability.

Mode Mean Range Median WHAT DO THEY ALL MEAN?.

Today’s Questions How can we summarize a distribution of scores efficiently using quantitative (as opposed to graphical) methods?

Psy302 Quantitative Methods

1.3 Psychology Statistics AP Psychology Mr. Loomis.

OBJ: E.Q.: YWBAT understand CENTRAL TENDENCIES like Mean, median, mode and range. How do we find the mean, the median, the mode, and the range of a given.

Mean, Median, Mode Review ENGR 1181 Class 7. Mean.

Data Analysis: Measures of Central Tendency Objective: To find and interpret the mean, median, and mode of a set of data. Open books to page 711.

Psychology’s Statistics. Statistics Are a means to make data more meaningful Provide a method of organizing information so that it can be understood.

Quick Review Central tendency: Mean, Median, Mode Shape: Normal, Skewed, Modality Variability: Standard Deviation, Variance.

7.3 Find Measures of Central Tendency and Dispersion p. 259.

Mean, Median, and Mode 3.1 Measures of Central Tendency.

DATA MANAGEMENT MBF3C Lesson #4: Measures of Central Tendency.

Welcome to MM150 Seminar 9: Statistics, Part II To resize your pods: Place your mouse here. Left mouse click and hold. Drag to the right to enlarge the.

Notes 5.1 Measures of Central Tendency A measure of central tendency is a single number that is used to represent a set of data. Measures of central tendency.

By Tatre Jantarakolica1 Fundamental Statistics and Economics for Evaluating Survey Data of Price Indices.

Central Tendency Mean – the average value of a data set. Add all the items in a data set then divide by the number of items in the data set.

Measures of Central Tendency. The Big Three – Mean, Median & Mode Mean Most common measure Arithmetic average Statistical symbols PopulationSample μ Nn.

Measures of Central Tendency, Variance and Percentage.

Chapter 2 The Mean, Variance, Standard Deviation, and Z Scores.

12-3 Measures of Central Tendency and Dispersion

Starter Questions.

5.6 – Solving Equations with Decimals

Measures of Central Tendency

Mode Mean Range Median WHAT DO THEY ALL MEAN?.

Chapter 12 Statistics 2012 Pearson Education, Inc.

Statistics A statistic: is any number that describes a characteristic of a sample’s scores on a measure. Examples are but not limited to average (arithmetic.

Chapter 3 Measures Of Central Tendency

Measures of Central Tendency & Range

(re. Zikmund, Chapter 14). (re. Zikmund, Chapter 14)

Measures of Central Tendency

Mean, Median, Mode, and Range

STATS DAY First a few review questions.

10-3 Data Distributions Warm Up Lesson Presentation Lesson Quiz

Analyze Data: IQR and Outliers

Chapter 3: Averages and Variation

Measures of Central Tendency

Statistics PSY302 Quiz Chapters 2

Central Tendency.

Descriptive Statistics

Decimal Applications : Mean, Median, and Mode

Psychology Statistics

Measures of Central Tendency

are two in the middle, find their average.

Evaluation and Assessment of the Individual: Week 2 Discussion

Statistics PSY302 Quiz Chapters 3

Making Sense of Measures of Center Investigation 2

Bellwork 4/24 A students’ test scores on 6 tests were; 84, 76, 80, 64, 92, and 84. Find the average test score.

Ms. Saint-Paul A.P. Psychology

CENTRAL MOMENTS, SKEWNESS AND KURTOSIS

Statistics PSY302 Quiz Chapters 2

Myers Chapter 1 (F): Statistics in Psychological Research: Measures of Central Tendency A.P. Psychology.

Creating Data Sets Central Tendencies Median Mode Range.

Statistics PSY302 Quiz Chapters 2

Measures of Central Tendency

Learn to find the range, mean, median, and mode of a data set.

Warm Up #1 Round to the nearest tenth place.

Measures of Central Tendency

Means & Medians.

Warm Up #1 Round to the nearest tenth place.

Median: middle score - half of the data will fall below the median When data is placed in order… - half of the data will fall below the median.

7.3 Find Measures of Central Tendency and Dispersion

Chapter 5 – 9 Measure of Central Tendency

Presentation transcript:

Central Tendency Central Tendency – measures of location for a distribution Mode – the commonly occurring number in a data set Median – the middle score in a distribution Mean – the average score

Visual Representation of the Mean The numerical distance of scores below the mean is always equal to the numerical distance of scores above the mean

Skew and Central Tendency For a normal distribution, all measures of central tendency are equal For a skewed distribution, the measures of central tendency are different