Describe how you would sample the population without creating a bias in your sample and justify your reasoning.

 MAT144 Week 5 Discussion

 

dq 1

 

Take two distinct die that you can easily distinguish from one another or use an online virtual dice roller such as https://www.random.org/dice/. Identify one as Die 1 and the other as Die 2. Using the spreadsheet provided by your instructor, record the results of 20 rolls of the dice. Input the results of each roll for Die 1 and the sum of Die 1 and Die 2 on the spreadsheet to make a scatterplot of the results. Do you think that these two variables are strongly or weakly correlated? Should the correlation be positive or negative? Does the scatter plot agree with your intuition?

 

dq 2

 

Suppose you want to determine the typical income of a full time worker in America. Describe how you would sample the population without creating a bias in your sample and justify your reasoning.

 

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