1/08/13 Probability Primer Principles of Econometrics‚ 4th Edition Probability Primer Page 1 ! Announcement: ! Please make sure you know who your tutor is and remember their names. This will save confusion and embarrassment later. ! Kai Du (David) ! Ngoc Thien Anh Pham (Anh) ! Zara Bomi Shroff Principles of Econometrics‚ 4th Edition Probability Primer Page 2 Chapter Contents ¡ P.1 Random Variables ¡ P.2 Probability Distributions ¡ P.3 Joint
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Grenoble Ecole de Management | Research Methodology Project | Correlation between social media and emotional stability | | Christian Morris Karla LukicXinyun MA | 2014/5/5 | Research Question Does social media has impact on the emotional stability of students? Hypotheses: H1: Females have the same ability to handle personal problems as males. H2: There is higher proportion of females that frequently use social media applications for personal reasons than males. H3: Frequency
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2nd Individual Variable is Income: Knowing the income of customers gives us an idea of what socio-economic group is shopping at the AJ Davis department store. Descriptive Statistics: Income ($1000) Variable Mean SE Mean StDev Variance Minimum
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understand the concept of return‚ and be able to distinguish between realised returns and expected returns ● understand the relationship between expected return and risk ● understand the basic notion of uncertainty and be able to calculate sample variance ● understand the role and importance of the normal distribution. Key points 1 Investing involves allocating wealth to yield future returns. 2 Investments are typically measured according to risk and return. 3 The investment process can be broadly
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STA304 H1 S/1003 H S Winter 2013 Dragan Banjevic (I) Note: A lot of material will be used from Internet‚ some with reference‚ some without. 2 CITY OF TORONTO NEIGHBOURHOODS 1 West Humber-Clairville 19 Long Branch 36 Newtonbrook West 54 O’Connor-Parkview 2 Mount Olive-SilverstoneJamestown 20 Alderwood 37 Willowdale West 55 Thorncliffe Park 3 Thistletown-Beaumond Heights 21 Humber Summit 38 Lansing-Westgate 56 Leaside-Bennington 4 Rexdale-Kipling
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Module 2 2-2 Case Study: Helping the Moores Moore Housing Contractors QSO600: Operations Management Irfan Sheikh Moore Housing Contractors CPM/PERT network for Moore House Contractors Activity Activity Activity Duration Variance ES LS EF LF Slack a 4.167 .25 0 0.000 4.167 4.167 C r i t i c a l b 3.167 .25 4.167 4.167 7.333 7.333 C r i t i c a l c 3.833 .25 7.333 7.833 11.167 11.667 .500 d 2.167 .25 7.333 33.833 36 36 26.5 e 2 .111 7.333 7.333 9.333 9.333 C r i t i c a l Dumck
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sample obtained from the preschool delay task of Gordon Diagnostic System (Gordon‚ 1983). However‚ does higher dosage lead to higher cognitive performance? Histogram: Box-and-whisker plot: Multi plot: Summary statistics: Column n Mean Variance Std. dev. Std. err. Median Range Min Max Q1 Q3 Placebo 24 39.75 128.02174 11.314669 2.3095972 36 45 26 71 33 47 0.60 24 44.708333 151.7808 12.319935 2.5147962 42.5 48 29 77 35 54 Simple linear regression results: Dependent Variable: .60 mg/kg
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stocks. b. Calculate the variance and standard deviation of the small company returns and large company common returns. 5. The table below provides a probability distribution for the returns on stocks A and B State Probability Return On Stock A Return OnStock B 1 20% 5% 50% 2 30% 10% 30% 3 30% 15% 10% 4 20% 20% -10% a. Given a probability distribution of returns‚ calculate the expected return‚ variance‚ standard deviation of Stock
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Question 1c In order to create the criteria for the committee we have to look at what they want from the project. Most businesses and organisations are in business to make a profit‚ however the committee has different aims and objectives compared to a normal business or organisation. They need to weight up the options of each proposal and decide which best relates to their aims and objectives. When the committee is considering which proposal to go with they should consider the following categories
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Assignment for Week -2 Chapter 5 (5 - 9) Bond Valuation and Interest Rate Risk Bond L Bond S INS = $100 INS = $100 M = $1‚000 M = $1‚000 N = 15 Years N = 1 Year a) 1) rd = 5% VBL = INT/ (1 + rd)t + M/ (1 + rd)N =INT [1/rd – 1/ rd(1 + rd)N ] + M/ (1 + rd)N =$100 [1/0.05 – 1/ 0.05(1 + 0.05)15] + $1‚000/ (1 + 0.05)15 =$1040 + $480.77 = $1518.98
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