The frequency distribution of the length of a sample of 98 nails is presented in Table 2.11

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The frequency distribution of the length of a sample of 98 nails is presented in Table 2.11 (measured to the nearest 0.1 mm).

(a) Find the mean length of this sample by hand and by using a spreadsheet.

(b) Construct the cumulative frequency graph and use this to estimate the median.

Length 4.0-42 4.3-4.5 4.6-4.8 4.9-5.1 5.2-5.4 5.5-5.7 Table 2.11 Frequency 4 9 13 20 34 18

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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Question Posted: Nov 25, 2023 04:44 AM

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The frequency distribution of the length of a sample of 98 nails is presented in Table 2.11

Question:

Length 4.0-42 4.3-4.5 4.6-4.8 4.9-5.1 5.2-5.4 5.5-5.7 Table 2.11 Frequency 4 9 13 20 34 18

Step by Step Answer:

Lets begin by calculating the mean length of the sample To find the mean length of this sample we should find the midpoint of each class interval multiply it by the frequency of that class add all the...View the full answer

Business Statistics Using Excel

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