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Statistics / Elementary Statistics: A Step by Step Approach 8th ed. 8 / Chapter 2-1 / Problem 11

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition | ISBN: 9780073386102 | Authors: Allan G Bluman Professor Emeritus

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GRE Scores at Top-Ranked Engineering Schools The average

Chapter 2, Problem 11

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QUESTION:

The average quantitative GRE scores for the top 30 graduate schools of engineering are listed. Construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes.

\(\begin{array}{llllllllll} 767 & 770 & 761 & 760 & 771 & 768 & 776 & 771 & 756 & 770 \\ 763 & 760 & 747 & 766 & 754 & 771 & 771 & 778 & 766 & 762 \\ 780 & 750 & 746 & 764 & 769 & 759 & 757 & 753 & 758 & 746 \end{array}\)

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QUESTION:

The average quantitative GRE scores for the top 30 graduate schools of engineering are listed. Construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes.

\(\begin{array}{llllllllll} 767 & 770 & 761 & 760 & 771 & 768 & 776 & 771 & 756 & 770 \\ 763 & 760 & 747 & 766 & 754 & 771 & 771 & 778 & 766 & 762 \\ 780 & 750 & 746 & 764 & 769 & 759 & 757 & 753 & 758 & 746 \end{array}\)

ANSWER:

Step 1 of 4

Given:

The average quantitative GRE scores for the top 30 graduate schools of engineering are provided.

\(\begin{array}{llllllllll} 767 & 770 & 761 & 760 & 771 & 768 & 776 & 771 & 756 & 770 \\ 763 & 760 & 747 & 766 & 754 & 771 & 771 & 778 & 766 & 762 \\ 780 & 750 & 746 & 764 & 769 & 759 & 757 & 753 & 758 & 746 \end{array}\)

The number of classes is 5.

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