SlideShare ist ein Scribd-Unternehmen logo
1 von 14
Describing, Exploring, and Comparing Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summarizing data: Measures of Center ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Mean ,[object Object],[object Object],[object Object]
Mean: For example 1300 990 990 SAT 1300 1290 1190 1100 1050 1500 1200
Weighted Mean ,[object Object],[object Object],[object Object],[object Object]
Weight Mean: For example Weight 1300 990 990 SAT 1300 1290 1190 1100 1050 1500 1200
Mean from a Frequency Table ,[object Object],[object Object],[object Object],[object Object],[object Object],Total Midpoint Freq Classes 1 4 63 121 11 75-79 70-74 65-69 60-64 55-59
Median ,[object Object],[object Object],[object Object],[object Object],[object Object]
Median Example 1440 1390 1310 1300 1260 1210 1210 1170 1100 1050 1440 1390 1310 990 1300 1260 1210 1210 1170 1100 1050
Mean vs. Median ,[object Object],[object Object],[object Object],[object Object]
Mode ,[object Object],[object Object],[object Object],[object Object]
Midrange ,[object Object],1440 1390 1310 990 1300 1260 1210 1210 1170 1100 1050
Live example ,[object Object],72 82 86 86 80 90 74 58 28 58 88 98
Your Turn ,[object Object],-1 -4 -1 12 28 32 37 14 2 9 14 27 31 31 32 27 34 18 -3 1 17 -6 -3 16 27 21 10 15 17 17 9

Weitere ähnliche Inhalte

Was ist angesagt?

Graphical presentation of data
Graphical presentation of dataGraphical presentation of data
Graphical presentation of data
drasifk
 

Was ist angesagt? (20)

Quantitative Methods
Quantitative MethodsQuantitative Methods
Quantitative Methods
 
Quantitative Methods
Quantitative MethodsQuantitative Methods
Quantitative Methods
 
Graphical presentation of data
Graphical presentation of dataGraphical presentation of data
Graphical presentation of data
 
Descriptive Analysis in Statistics
Descriptive Analysis in StatisticsDescriptive Analysis in Statistics
Descriptive Analysis in Statistics
 
Descriptive statistics -review(2)
Descriptive statistics -review(2)Descriptive statistics -review(2)
Descriptive statistics -review(2)
 
Quantitative Methods
Quantitative MethodsQuantitative Methods
Quantitative Methods
 
Descriptive statistics
Descriptive statisticsDescriptive statistics
Descriptive statistics
 
Introduction to statistics...ppt rahul
Introduction to statistics...ppt rahulIntroduction to statistics...ppt rahul
Introduction to statistics...ppt rahul
 
Introduction to Statistics in Nursing.
Introduction to Statistics in Nursing.Introduction to Statistics in Nursing.
Introduction to Statistics in Nursing.
 
135. Graphic Presentation
135. Graphic Presentation135. Graphic Presentation
135. Graphic Presentation
 
Basic Statistical Concepts and Methods
Basic Statistical Concepts and MethodsBasic Statistical Concepts and Methods
Basic Statistical Concepts and Methods
 
03.data presentation(2015) 2
03.data presentation(2015) 203.data presentation(2015) 2
03.data presentation(2015) 2
 
Descriptive statistics
Descriptive statisticsDescriptive statistics
Descriptive statistics
 
Descriptive statistics
Descriptive statisticsDescriptive statistics
Descriptive statistics
 
Types of data and graphical representation
Types of data and graphical representationTypes of data and graphical representation
Types of data and graphical representation
 
Statistics in Physical Education
Statistics in Physical EducationStatistics in Physical Education
Statistics in Physical Education
 
Classification of data
Classification of dataClassification of data
Classification of data
 
Measures of central tendency
Measures of central tendencyMeasures of central tendency
Measures of central tendency
 
Frequency distribution432021
Frequency distribution432021Frequency distribution432021
Frequency distribution432021
 
Descriptive statistics
Descriptive statisticsDescriptive statistics
Descriptive statistics
 

Andere mochten auch (6)

P5 ungrouped data
P5 ungrouped dataP5 ungrouped data
P5 ungrouped data
 
Lesson 6 measures of central tendency
Lesson 6 measures of central tendencyLesson 6 measures of central tendency
Lesson 6 measures of central tendency
 
Chapter 03
Chapter 03Chapter 03
Chapter 03
 
Statr sessions 4 to 6
Statr sessions 4 to 6Statr sessions 4 to 6
Statr sessions 4 to 6
 
Grouped Mean Median Mode
Grouped Mean Median ModeGrouped Mean Median Mode
Grouped Mean Median Mode
 
Mean, Median, Mode: Measures of Central Tendency
Mean, Median, Mode: Measures of Central Tendency Mean, Median, Mode: Measures of Central Tendency
Mean, Median, Mode: Measures of Central Tendency
 

Ähnlich wie 2 4 measures of center

Biostatistics basics-biostatistics4734
Biostatistics basics-biostatistics4734Biostatistics basics-biostatistics4734
Biostatistics basics-biostatistics4734
AbhishekDas15
 
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
Universidad Particular de Loja
 

Ähnlich wie 2 4 measures of center (20)

Frequency distribution, central tendency, measures of dispersion
Frequency distribution, central tendency, measures of dispersionFrequency distribution, central tendency, measures of dispersion
Frequency distribution, central tendency, measures of dispersion
 
Wynberg girls high-Jade Gibson-maths-data analysis statistics
Wynberg girls high-Jade Gibson-maths-data analysis statisticsWynberg girls high-Jade Gibson-maths-data analysis statistics
Wynberg girls high-Jade Gibson-maths-data analysis statistics
 
Descriptive
DescriptiveDescriptive
Descriptive
 
Biostatistics basics-biostatistics4734
Biostatistics basics-biostatistics4734Biostatistics basics-biostatistics4734
Biostatistics basics-biostatistics4734
 
Central Tendency.pptx
Central Tendency.pptxCentral Tendency.pptx
Central Tendency.pptx
 
presentation
presentationpresentation
presentation
 
Student’s presentation
Student’s presentationStudent’s presentation
Student’s presentation
 
Basics of statistics by Arup Nama Das
Basics of statistics by Arup Nama DasBasics of statistics by Arup Nama Das
Basics of statistics by Arup Nama Das
 
Week 7 a statistics
Week 7 a statisticsWeek 7 a statistics
Week 7 a statistics
 
Measures of Central Tendency, Variability and Shapes
Measures of Central Tendency, Variability and ShapesMeasures of Central Tendency, Variability and Shapes
Measures of Central Tendency, Variability and Shapes
 
Lesson 3 measures of central tendency
Lesson 3   measures of central tendencyLesson 3   measures of central tendency
Lesson 3 measures of central tendency
 
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
Statistics and Public Health. Curso de Inglés Técnico para profesionales de S...
 
Statistics
StatisticsStatistics
Statistics
 
Topic 2 Measures of Central Tendency.pptx
Topic 2   Measures of Central Tendency.pptxTopic 2   Measures of Central Tendency.pptx
Topic 2 Measures of Central Tendency.pptx
 
STATISTICAL PROCEDURES (Discriptive Statistics).pptx
STATISTICAL PROCEDURES (Discriptive Statistics).pptxSTATISTICAL PROCEDURES (Discriptive Statistics).pptx
STATISTICAL PROCEDURES (Discriptive Statistics).pptx
 
Class1.ppt
Class1.pptClass1.ppt
Class1.ppt
 
Class1.ppt
Class1.pptClass1.ppt
Class1.ppt
 
Class1.ppt
Class1.pptClass1.ppt
Class1.ppt
 
Class1.ppt
Class1.pptClass1.ppt
Class1.ppt
 
STATISTICS BASICS INCLUDING DESCRIPTIVE STATISTICS
STATISTICS BASICS INCLUDING DESCRIPTIVE STATISTICSSTATISTICS BASICS INCLUDING DESCRIPTIVE STATISTICS
STATISTICS BASICS INCLUDING DESCRIPTIVE STATISTICS
 

Mehr von Ken Kretsch

Classical probability
Classical probabilityClassical probability
Classical probability
Ken Kretsch
 
2 7 exploratory data analysis
2 7 exploratory data analysis2 7 exploratory data analysis
2 7 exploratory data analysis
Ken Kretsch
 
2 6 measure of position
2 6 measure of position2 6 measure of position
2 6 measure of position
Ken Kretsch
 
2 5 standard deviation
2 5 standard deviation2 5 standard deviation
2 5 standard deviation
Ken Kretsch
 
2 1 frequency table
2 1 frequency table2 1 frequency table
2 1 frequency table
Ken Kretsch
 
2 3 depicting frequency tables
2 3 depicting frequency tables2 3 depicting frequency tables
2 3 depicting frequency tables
Ken Kretsch
 
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
Ken Kretsch
 
R:\ap java\class slides\chapter 1\1 2 java development
R:\ap java\class slides\chapter 1\1 2 java developmentR:\ap java\class slides\chapter 1\1 2 java development
R:\ap java\class slides\chapter 1\1 2 java development
Ken Kretsch
 
1 2 java development
1 2 java development1 2 java development
1 2 java development
Ken Kretsch
 
Science, invention, and engineering
Science, invention, and engineeringScience, invention, and engineering
Science, invention, and engineering
Ken Kretsch
 
1 4 where do we get the data
1 4 where do we get the data1 4 where do we get the data
1 4 where do we get the data
Ken Kretsch
 
Programming model
Programming modelProgramming model
Programming model
Ken Kretsch
 

Mehr von Ken Kretsch (15)

Classical probability
Classical probabilityClassical probability
Classical probability
 
2 7 exploratory data analysis
2 7 exploratory data analysis2 7 exploratory data analysis
2 7 exploratory data analysis
 
2 6 measure of position
2 6 measure of position2 6 measure of position
2 6 measure of position
 
2 5 standard deviation
2 5 standard deviation2 5 standard deviation
2 5 standard deviation
 
2 1 frequency table
2 1 frequency table2 1 frequency table
2 1 frequency table
 
2 3 depicting frequency tables
2 3 depicting frequency tables2 3 depicting frequency tables
2 3 depicting frequency tables
 
2 1 data
2 1  data2 1  data
2 1 data
 
2 1 expressions
2 1  expressions2 1  expressions
2 1 expressions
 
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
\\Dc hss2\staff\kretsch k\prob and stat\class materials\chapter 1\1-4 where d...
 
R:\ap java\class slides\chapter 1\1 2 java development
R:\ap java\class slides\chapter 1\1 2 java developmentR:\ap java\class slides\chapter 1\1 2 java development
R:\ap java\class slides\chapter 1\1 2 java development
 
1 2 java development
1 2 java development1 2 java development
1 2 java development
 
Science, invention, and engineering
Science, invention, and engineeringScience, invention, and engineering
Science, invention, and engineering
 
1 4 where do we get the data
1 4 where do we get the data1 4 where do we get the data
1 4 where do we get the data
 
1 1 data
1 1 data1 1 data
1 1 data
 
Programming model
Programming modelProgramming model
Programming model
 

2 4 measures of center

  • 1.
  • 2.
  • 3.
  • 4. Mean: For example 1300 990 990 SAT 1300 1290 1190 1100 1050 1500 1200
  • 5.
  • 6. Weight Mean: For example Weight 1300 990 990 SAT 1300 1290 1190 1100 1050 1500 1200
  • 7.
  • 8.
  • 9. Median Example 1440 1390 1310 1300 1260 1210 1210 1170 1100 1050 1440 1390 1310 990 1300 1260 1210 1210 1170 1100 1050
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.