Questions from Business Statistics

Q: When is it appropriate to set aside an outlier and analyze only

When is it appropriate to set aside an outlier and analyze only the rest of the data?

Q: Suppose there is an outlier in your data. You plan to

Suppose there is an outlier in your data. You plan to analyze the data twice: once with and once without the outlier. What result would you be most pleased with? Why?

Q: Draw a random sample without replacement of 10 employees, using the

Draw a random sample without replacement of 10 employees, using the table of random digits, starting in row 23, column 7. a.* List the employee numbers for your sample. b. Find the average salary for...

Q: What is a number line?

What is a number line?

Q: What is a normal distribution?

What is a normal distribution?

Q: Why is the normal distribution important in statistics?

Why is the normal distribution important in statistics?

Q: When a real data set is normally distributed, should you expect

When a real data set is normally distributed, should you expect the histogram to be a perfectly smooth bell shaped curve? Why or why not?

Q: Are all data sets normally distributed?

Are all data sets normally distributed?

Q: What is a skewed distribution?

What is a skewed distribution?

Q: How should statistical analysis and business experience interact with each other?

How should statistical analysis and business experience interact with each other?