# laisthaU tollM17. | Medical: Tumor Recurrence Certain kinds of tumors tend to recur. Thefollowing data represent the lengths of time, in months, for a tumor to recurafter chemotherapy (Reference: D. P. Byar, Journal of Urology, Vol. 10,pp. 556-561). Note: These data are also available for download at theCompanion Sites for this text.T7117OF18192122544625495015939433953818014554594650291236193840434110504125392720ats Tse five classes.081

Question

Find the width, make a frequency table, draw a histogram, draw a relative frequency histogram, categorize the basic distribution shape, draw an ogive and discuss some of the features about the data that the graph reveal.

Step 1

Begin  by populating data into excel sheet and then sorting from smallest to largest.

Step 2

Class width can be calculated by dividing the range of the data by number of classes. Range of data can be calculated by subtracting the lowest data point from the highest data point. Lowest data point is 1 while highest data point is 59. Number of classes as per the question is 5.

Therefore,

Step 3

Class width is nothing but the difference between any two consecutive upper or lower limits. As class width is 11.6 and lowest data point is 1, first class will range from: lowest data point -  (lowest data point + class widt...

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