Statistics for Business and Economics
Statistics for Business and Economics
8th Edition
ISBN: 9780132745659
Author: Paul Newbold, William Carlson, Betty Thorne
Publisher: PEARSON
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Chapter 1.5, Problem 30E
To determine

Calculate the class.

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True or False? A dot plot always reveals the exact data range, whether the sample size is large or small.
RDPct 13.5 8.4 10.5 9 9.2 9.7 6.6 10.6 10.1 7.1 8 7.9 6.8 9.5 8.1 13.5 9.9 6.9 7.5 11.1 8.2 8 7.7 7.4 6.5 9.5 8.2 6.9 7.2 8.2 9.6 7.2 8.8 11.3 8.5 9.4 10.5 6.9 6.5 7.5 7.1 13.2 7.7 5.9 5.2 5.6 11.7 6 7.8 6.5
The birthweight (in kg) of 55 babies are tabulated in the frequency distribution below: Birthweight (kg) Class Midpoint Frequency M (1– 1.5| (1.5-2 1.25 6. 1.75 10 (2- 2.5) 2.25 1 (2.5-3) 2.75 15 10 (3-3.5] 3.25 3. (3.5- 4) 3.75 55 Total Calculate the relative frequency of the class interval (2 - 2.5).
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