The scenarios are as follows: You must compare the average salary of 15 employees with a...
The scenarios are as follows:
You must compare the average salary of 15 employees with a master's degree to that of the income of 20 employees with a bachelor's degree.
1. What is the random variable in this scenario?
2. What is the function to calculate the statistic?
You must compare the the time it takes 15 customers at mcdonalds to reach the register to order to that of the time it takes 10 people to order at the electronic kiosk.
1. What is the random variable in this scenario?
2. What is the function to calculate the statistic?
Homework Answers
Random variable is a 'variable' whose value differes from suject to subject. We get samples of these subjects and they all have some variation in the values.
You must compare the average salary of 15 employees with a master's degree to that of the income of 20 employees with a bachelor's degree.
1. What is the random variable in this scenario?
Here we have to compare the salary of the employees. The salaries are going to be different for people with different degrees and also among the people with the same degree. Therefore 'Salary' is the random variable.
2. What is the function to calculate the statistic?
Since we want to compare the average of the salaries, the function is 'mean'
................where 'x' is the different values of salaries.
You must compare the the time it takes 15 customers at mcdonalds to reach the register to order to that of the time it takes 10 people to order at the electronic kiosk.
1. What is the random variable in this scenario?
Since here the time taken to order will vary individually, 'time taken to order' is the random vairiable.
2. What is the function to calculate the statistic?
Since we want to compare the average of the time taken to order, the function is 'mean'
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