Activity 3A property developer analyzed the amount of office space available in 40 office blocks in the CBD of Gobabis. The following floor areas were recorded. 175150178144182172126143146116182140162155176140165165142165168120160155170162177164158118135162195124135150178190160185 Is the dataContinuous or discreteQuantitative or qualitative.Nominal, ordinal, ratio or interval scaled? Determine the range of the data.Use Sturges Rule to determine k, the number of classes, also determine the class width and the appropriate class limits.Construct a frequency distribution for the data.Construct a histogram for the data. Interpret your histogram.Construct a frequency polygon and interpret it.Construct a less than ogive for the data.Construct a more than ogive for the data. From your graph what percentage of office blocks has available office space in excess of 175square metres?Plot the less than and more than ogives on the same axis and determine the median.What percentage of office blocks has less than 145 square metres floor space.What office space area is provided by the lower 70% of office blocks.What % of office blocks provides more than 140 square metres of office space.

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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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Activity 3

A property developer analyzed the amount of office space available in 40 office blocks in the CBD of Gobabis. The following floor areas were recorded.

175	150	178	144	182	172	126	143
146	116	182	140	162	155	176	140
165	165	142	165	168	120	160	155
170	162	177	164	158	118	135	162
195	124	135	150	178	190	160	185

Is the data
1. Continuous or discrete
2. Quantitative or qualitative.

Nominal, ordinal, ratio or interval scaled?

Determine the range of the data.
Use Sturges Rule to determine k, the number of classes, also determine the class width and the appropriate class limits.
Construct a frequency distribution for the data.
Construct a histogram for the data. Interpret your histogram.
Construct a frequency polygon and interpret it.
Construct a less than ogive for the data.
Construct a more than ogive for the data. From your graph what percentage of office blocks has available office space in excess of 175square metres?
Plot the less than and more than ogives on the same axis and determine the median.
1. What percentage of office blocks has less than 145 square metres floor space.
2. What office space area is provided by the lower 70% of office blocks.

What % of office blocks provides more than 140 square metres of office space.

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