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>___PPT9 Lecture 02:Chapter 1=Statistics for Psychology
David Wallace Croft
2005 May 18 Wed
Quiz 1Please mute your mobile phones
Write your name on a blank piece of paper
Quiz will begin at 09:00
When done, turn your paper over
Quiz ends at 09:02
I will say, Pens down
Writing after Pens down is cheating
Pass your quizzes to your leftOutline\Calculators
Absences
Research Exposure Credits Requirement
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HomeworkAbsencesDNo makeup for daily quizzes
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Might be allowed for future exams
Not sure yet %Research ExposureCredits Requirement&&(8Detailed Handout
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textbook footnote, p45
Catanzaro, D., & Taylor, J.C. (1996). The scaling of dispersion and correlation: A comparison of least-squares and absolute deviation statistics. British Journal of Mathematical and Statistical Psychology, 49, 171-188.*DZZD[ Textbook Slides{Chapter 1: Displaying the Order in a Group of Numbers
http://wps.prenhall.com/hss_aron_statistics_3/0,6590,401853-,00.html(7E7Ed
07{EmphasisBoxes on Test
Frequency Polygon Zeroes
Median Household Income
floor effect
skewed to the right
mean higher than median
political mnemonic
Skew6?L?LDirection of Skew 1 A skewed distribution has one side that is long and spread out, somewhat like a tail. The side with the fewer scores (the side that looks more like a tail) is considered the direction of the skew.
-- textbook, p204jjDirection of Skew 2 In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. Roughly speaking, a distribution has positive skew (right-skewed) if the higher tail is longer and negative skew (left-skewed) if the lower tail is longer; getting these the wrong way round is a common error.
-- Skewness , Wikipedia$b{>'7
Next ClassFriday
Chapter 2
Mean, Variance, Standard Dev, Z Scores
Read Chapter 2 Before Class
Pre-Lecture Quiz
Starts at 09:00
Ends at 09:02LDD Questions8Questions for Class?
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>___PPT9 Lecture 02:Chapter 1=Statistics for Psychology
David Wallace Croft
2005 May 18 Wed
Quiz 1Please mute your mobile phones
Write your name on a blank piece of paper
Quiz will begin at 09:00
When done, turn your paper over
At 09:02, I will say, Pens down
Writing after Pens down is cheating
Pass your quizzes to your leftOutline\Calculators
Absences
Research Exposure Credits Requirement
Textbook Slides
Emphasis
HomeworkAbsencesjNo makeup for daily quizzes
Please limit missed exams to emergencies
Early notification of absence is goodCalculatorsINot allowed for first exam
Might be allowed for future exams
Not sure yet %Research ExposureCredits Requirement&&(8Detailed Handout
Required to Complete Course
Journal Article Option
textbook footnote, p45
Catanzaro, D., & Taylor, J.C. (1996). The scaling of dispersion and correlation: A comparison of least-squares and absolute deviation statistics. British Journal of Mathematical and Statistical Psychology, 49, 171-188.*DZZD[ Textbook Slides{Chapter 1: Displaying the Order in a Group of Numbers
http://wps.prenhall.com/hss_aron_statistics_3/0,6590,401853-,00.html(7E7Ed
07{EmphasisBoxes on Test
Frequency Polygon Zeroes
Median Household Income
floor effect
skewed to the right
mean higher than median
political mnemonic
Skew6?L?LDirection of Skew 1 A skewed distribution has one side that is long and spread out, somewhat like a tail. The side with the fewer scores (the side that looks more like a tail) is considered the direction of the skew.
-- textbook, p204jjDirection of Skew 2 In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. Roughly speaking, a distribution has positive skew (right-skewed) if the higher tail is longer and negative skew (left-skewed) if the lower tail is longer; getting these the wrong way round is a common error.
-- Skewness , Wikipedia$b{>'7
Next ClassFriday
Chapter 2
Mean, Variance, Standard Dev, Z Scores
Read Chapter 2 Before Class
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>___PPT9 Lecture 02:Chapter 1=Statistics for Psychology
David Wallace Croft
2005 May 18 Wed
Quiz 1Please mute your mobile phones
Write your name on a blank piece of paper
Quiz will begin at 09:00
When done, turn your paper over
At 09:02, I will say, Pens down
Writing after Pens down is cheating
Pass your quizzes to your leftOutline\Calculators
Absences
Research Exposure Credits Requirement
Textbook Slides
Emphasis
HomeworkAbsencesjNo makeup for daily quizzes
Please limit missed exams to emergencies
Early notification of absence is goodCalculatorsINot allowed for first exam
Might be allowed for future exams
Not sure yet %Research ExposureCredits Requirement&&(8Detailed Handout
Required to Complete Course
Journal Article Option
textbook footnote, p45
Catanzaro, D., & Taylor, J.C. (1996). The scaling of dispersion and correlation: A comparison of least-squares and absolute deviation statistics. British Journal of Mathematical and Statistical Psychology, 49, 171-188.*DZZD[ Textbook Slides{Chapter 1: Displaying the Order in a Group of Numbers
http://wps.prenhall.com/hss_aron_statistics_3/0,6590,401853-,00.html(7E7Ed
07{EmphasisPBoxes on Test
Frequency Polygon Zeroes
Direction of Skew
Median Household IncomeDirection of Skew 1 A skewed distribution has one side that is long and spread out, somewhat like a tail. The side with the fewer scores (the side that looks more like a tail) is considered the direction of the skew.
-- textbook, p204jjDirection of Skew 2 In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. Roughly speaking
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>___PPT9 Lecture 02:Chapter 1=Statistics for Psychology
David Wallace Croft
2005 May 18 Wed
Quiz 1Please mute your mobile phones
Write your name on a blank piece of paper
Quiz will begin at 09:00
When done, turn your paper over
At 09:02, I will say, Pens down
Writing after Pens down is cheating
Pass your quizzes to your leftOutline\Calculators
Absences
Research Exposure Credits Requirement
Textbook Slides
Emphasis
HomeworkAbsencesDNo makeup for daily quizzes
Please limit missed exams to emergenciesCalculatorsINot allowed for first exam
Might be allowed for future exams
Not sure yet %Research ExposureCredits Requirement&&(8Detailed Handout
Required to Complete Course
Journal Article Option
textbook footnote, p45
Catanzaro, D., & Taylor, J.C. (1996). The scaling of dispersion and correlation: A comparison of least-squares and absolute deviation statistics. British Journal of Mathematical and Statistical Psychology, 49, 171-188.*DZZD[ Textbook Slides{Chapter 1: Displaying the Order in a Group of Numbers
http://wps.prenhall.com/hss_aron_statistics_3/0,6590,401853-,00.html(7E7Ed
07{EmphasisBoxes on Test
Frequency Polygon Zeroes
Median Household Income
floor effect
skewed to the right
mean higher than median
political mnemonic
Skew6?L?LDirection of Skew 1 A skewed distribution has one side that is long and spread out, somewhat like a tail. The side with the fewer scores (the side that looks more like a tail) is considered the direction of the skew.
-- textbook, p204jjDirection of Skew 2 In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. Roughly speaking, a distribution has positive skew (right-skewed) if the higher tail is longer and negative skew (left-skewed) if the lower tail is longer; getting these the wrong way round is a common error.
-- Skewness , Wikipedia$b{>'7
Next ClassFriday
Chapter 2
Mean, Variance, Standard Dev, Z Scores
Read Chapter 2 Before Class
Pre-Lecture Quiz
Starts at 09:00
Ends at 09:02LDD Questions8Questions for Class?
Post to e-mail list unless personal$
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Will help you on the exams
Next ClassFriday
Chapter 2
Mean, Variance, Standard Dev, Z Scores
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^___PPT9@Lecture 02:Chapter 1=Statistics for Psychology
David Wallace Croft
2005 May 18 Wed
Quiz 1Please mute your mobile phones
Write your name on a blank piece of paper
Quiz will begin at 09:00
When done, turn your paper over
At 09:02, I will say, Pens down
Writing after Pens down is cheating
Pass your quizzes to your leftOutline\Absences
Calculators
Research Exposure Credits Requirement
Textbook Slides
Emphasis
HomeworkAbsencesjNo makeup for daily quizzes
Please limit missed exams to emergencies
Early notification of absence is goodCalculatorsINot allowed for first exam
Might be allowed for future exams
Not sure yet %Research ExposureCredits Requirement&&(8Detailed Handout
Required to Complete Course
Journal Article Option
textbook footnote, p45
Catanzaro, D., & Taylor, J.C. (1996). The scaling of dispersion and correlation: A comparison of least-squares and absolute deviation statistics. British Journal of Mathematical and Statistical Psychology, 49, 171-188.*DZZD[ Textbook Slides{Chapter 1: Displaying the Order in a Group of Numbers
http://wps.prenhall.com/hss_aron_statistics_3/0,6590,401853-,00.html(7E7Ed
07{EmphasisPBoxes on Test
Frequency Polygon Zeroes
Direction of Skew
Median Household IncomeDirection of Skew 1 A skewed distribution has one side that is long and spread out, somewhat like a tail. The side with the fewer scores (the side that looks more like a tail) is considered the direction of the skew.
-- textbook, p204jjDirection of Skew 2 In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. Roughly speaking, a distribution has positive skew (right-skewed) if the higher tail is longer and negative skew (left-skewed) if the lower tail is longer; getting these the wrong way round is a common error.
-- Skewness , Wikipedia$b{>'7 Median Household IncomeAfloor effect
skewed to the right
mean higher than median
mnemonicHomeworkOptional
Do not turn in
Will help you on the exams
Answers to Set I problems in back of book
I have answers to Set II problems
Will help you on the exams
Next ClassFriday
Chapter 2
Mean, Variance, Standard Dev, Z Scores
Read Chapter 2 Before Class
Pre-Lecture Quiz
Starts at 09:00
Ends at 09:02
Exam 1 on Monday`DD Questions`Questions for Class?
Post to e-mail list unless personal
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