Question

# Consider the scores for two different math courses:

Class

B 62 64 65 67 71 75 78 80 80 91 97

Use the TI to calculate Q1 and Q3 of Class B and explain the steps. Then, calculate Q1 and Q3 by hand and compare the techniques. Why do we focus on the TI for the calculations in this course?

Explain the meaning of the numbers you found in part a.

Calculate the IQR.

Give the 5-number summary and sketch a box plot for this data.

Can you draw any conclusions from the box plot?

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