6 A company employs 2410 people whose annual salaries are summarised as follows. Salary (in $1000s) <10 10-20 20-30 30-40 40-50 50-60 60-80 80-100 > 100 Number of staff 16 31 502 642 875 283 45 12 4 (a) Draw a cumulative frequency graph for the grouped data. (b) Estimate the percentage of staff with salaries between $26 000 and $52 000. (c) If you were asked to draw a histogram of the data, what problem would arise and how would you overcome it? 7 Construct a grouped frequency table for the following data. 19.12 21.43 20.57 16.97 14.82 19.61 19.35 20.02 12.76 20.40 21.38 20.27 20.21 16.53 21.04 17.71 20.69 15.61 19.41 21.25 19.72 21.13 20.34 20.52 17.30 (a) Draw a histogram of the data. (b) Draw a cumulative frequency graph. (c) Draw a stem-and-leaf diagram using leaves in hundredths, separated by commas.

6 A company employs 2410 people whose annual salaries are summarised as follows. Salary (in $1000s) <10 10-20 20-30 30-40 40-50 50-60 60-80 80-100 > 100 Number of staff 16 31 502 642 875 283 45 12 4 (a) Draw a cumulative frequency graph for the grouped data. (b) Estimate the percentage of staff with salaries between $26 000 and $52 000. (c) If you were asked to draw a histogram of the data, what problem would arise and how would you overcome it? 7 Construct a grouped frequency table for the following data. 19.12 21.43 20.57 16.97 14.82 19.61 19.35 20.02 12.76 20.40 21.38 20.27 20.21 16.53 21.04 17.71 20.69 15.61 19.41 21.25 19.72 21.13 20.34 20.52 17.30 (a) Draw a histogram of the data. (b) Draw a cumulative frequency graph. (c) Draw a stem-and-leaf diagram using leaves in hundredths, separated by commas.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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