全球物流和供应链管理论文代写 供应链管理代写 经济essay代写
297Global Logistics and Supply Chain Management 全球物流和供应链管理论文代写 When it comes to logistics, there are many things which are similar in fresh food supply chain and the supply chain ...
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计量经济学作业代写 Q1. [ 12 points] uppose that you collected data on hourly wage and the number of years of schooling for 200 employees in Riverside.
Suppose that you collected data on hourly wage and the number of years of schooling for 200 employees in Riverside. The data is summarized as follows: 40 employees have an income of $10 per hour and 3 years of schooling, 20 employees have an income of $10 per hour and 4 years of schooling, 60 employees have an income of $ 16 per hour and 3 years of schooling, 80 employees have an income of $16 per hour and 4 years of schooling. Please use W for wage and S for years of schooling.
Please solve the following questions:
1. Find the join and marginal probabilities? (hint: you may use a table with wage (W) and years of schooling (S).
2. Find the probability of W=10 given that the S=3?
3. Find the probability of S=4 given that W=16?
4. Find the mean or expected value of wage? Find the variance of wage?
5. Find the mean or expected value of years of schooling? Find the variance of years of schooling?
6. Find the covariance between wage and years of schooling? Are they ( S and W)
independent?
7. Find the expected value (mean) of wage given that the S=3? Find the variance of wage given that S=3?
The table below represents a data on oil prices and the number of daily cases of COVID-19 where Y is the oil price and X is the COVID-19 new cases:
The regression output below represents the impact of income and price on the quantity of demand.
a. Interpret and explain the price and income coefficients?
b. Find the R-square and SSE?
Global Logistics and Supply Chain Management 全球物流和供应链管理论文代写 When it comes to logistics, there are many things which are similar in fresh food supply chain and the supply chain ...
View detailsI218 Computer ArchitectureReport 3 计算机体系结构cs代写 (1) In the textbook and lecture slides, detailed information in the pipeline registers (IF/ID, ID/EX, EX/MEM, MEM/WB) is not provided. ...
View detailsI218 Computer ArchitectureReport 2 cs计算机体系结构作业代做 (1)How is the instruction “sub $t9, $s4, $s7” translated to a machine instruction code? Answer the rs, rt, and rd fields in binary n...
View detailsEconomics 426: Problem Set 1 – Robinson Crusoe 经济问题集代做 I. Robin Crusoe is endowed with 112 labor-hours per week. There is a production function for the output of oysters Spring...
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