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?In Problems 19–22, determine whether or not the histogram indicates that a normal distribution could be used as a model for the variable. Birth W

Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III ISBN: 9780134133539 240

Solution for problem 19 Chapter 7.1

Statistics: Informed Decisions Using Data | 5th Edition

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Statistics: Informed Decisions Using Data | 5th Edition | ISBN: 9780134133539 | Authors: Michael Sullivan III

Statistics: Informed Decisions Using Data | 5th Edition

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Problem 19

In Problems 19–22, determine whether or not the histogram indicates that a normal distribution could be used as a model for the variable.

Birth Weights The relative frequency histogram represents the birth weights (in grams) of babies whose term was 36 weeks.

Step-by-Step Solution:

Step 1 of 5) In Problems 19–22, determine whether or not the histogram indicates that a normal distribution could be used as a model for the variable. Birth Weights The relative frequency histogram represents the birth weights (in grams) of babies whose term was 36 weeks. Least-Squares Regression Problem A family doctor is interested in examining the relationship between a patient’s age and total cholesterol (in mg/dL). He randomly selects 14 of his female patients and obtains the data presented in Table 1. The data are based on results obtained from the National Center for Health Statistics. Draw a scatter diagram, compute the correlation coefficient, find the least-squares regression equation, and determine the coefficient of determination. Approach We will use a TI-84 Plus C graphing calculator. Solution Figure 1 displays the scatter diagram. Figure 2 displays the output.

Step 2 of 2

Chapter 7.1, Problem 19 is Solved
Textbook: Statistics: Informed Decisions Using Data
Edition: 5
Author: Michael Sullivan III
ISBN: 9780134133539

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?In Problems 19–22, determine whether or not the histogram indicates that a normal distribution could be used as a model for the variable. Birth W