The length of time (in months) between the onset of a particular illness and its recurrence was recorded for n = 50 patients:2.1 4.4 2.7 32.3 9.9 9.0 2.0 6.6 3.9 1.614.7 9.6 16.7 7.4 8.2 19.2 6.9 4.3 3.3 1.24.1 18.4 .2 6.1 13.5 7.4 .2 8 .3 .3 1.314.1 1.0 2.4 2.4 18.0 8.7 24.0 1.4 8.2 5.81.6 3.5 11.4 18.0 26.7 3.7 12.6 23.1 5.6 .4a. Construct a relative frequency histogram for the data.b. Would you describe the shape as roughly symmetric, skewed right, or skewed left?c. Give the fraction of recurrence times less than or equal to 10 months.

The length of time (in months) between the onset of a particular illness and its recurrence was recorded for n = 50 patients:2.1 4.4 2.7 32.3 9.9 9.0 2.0 6.6 3.9 1.614.7 9.6 16.7 7.4 8.2 19.2 6.9 4.3 3.3 1.24.1 18.4 .2 6.1 13.5 7.4 .2 8 .3 .3 1.314.1 1.0 2.4 2.4 18.0 8.7 24.0 1.4 8.2 5.81.6 3.5 11.4 18.0 26.7 3.7 12.6 23.1 5.6 .4a. Construct a relative frequency histogram for the data.b. Would you describe the shape as roughly symmetric, skewed right, or skewed left?c. Give the fraction of recurrence times less than or equal to 10 months.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

The length of time (in months) between the onset of a particular illness and its recurrence was recorded for n = 50 patients:
2.1 4.4 2.7 32.3 9.9 9.0 2.0 6.6 3.9 1.6
14.7 9.6 16.7 7.4 8.2 19.2 6.9 4.3 3.3 1.2
4.1 18.4 .2 6.1 13.5 7.4 .2 8 .3 .3 1.3
14.1 1.0 2.4 2.4 18.0 8.7 24.0 1.4 8.2 5.8
1.6 3.5 11.4 18.0 26.7 3.7 12.6 23.1 5.6 .4
a. Construct a relative frequency histogram for the data.
b. Would you describe the shape as roughly symmetric, skewed right, or skewed left?
c. Give the fraction of recurrence times less than or equal to 10 months.

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