Chapter 2: Q.2.92 (page 70)
Exam Scores. Construct a dot plot for the following exam scores of the students in an introductory statistics class.

Short Answer
Dot plot for the exam score:

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Chapter 2: Q.2.92 (page 70)
Exam Scores. Construct a dot plot for the following exam scores of the students in an introductory statistics class.

Dot plot for the exam score:

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High School Completion. As reported by the U.S. Census Bureau in Educational Attainment in the United States, the percentage of adults in each state and the District of Columbia who has completed high school is provided on the WeissStats site.
a. use the technology of your choice to identify the modality and symmetry (or non-symmetry) of the distribution of the data set.
b. if unimodal, classify the distribution as symmetric right-skewed. or left-skewed.

We have drawn a smooth curve that represents a distribution,
a. Identify the shape of the distirbution with regard to modality.
b. Identify the shape of the distribution with regard to symmetry (or non symmetry)
c . If the distribution is unimodal and non symmetric, classify it as either right skewed or left skewed.
When is the use of single-value grouping particularly appropriate?
Acute Postoperative Days. Several neurosurgeons wanted to determine whether a dynamic system (Z-plate) reduced the number of acute postoperative days in the hospital relative to a static system (ALPS plate). R. Jacobowitz, Ph.D., an Arizona State University professor, along with G. Vishteh, M.D., and other neurosurgeons obtained the following data on the number of acute postoperative days in the hospital using the dynamic and static systems.

Distribution of a data set.
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