The Weights in Kilograms of a Sample of 30 Horses

question 4

Essay

The weights in kilograms of a sample of 30 horses are given below:
Weight
165
175
150
155
173
149
145
153
153
153
152
145
164
143
170
175
148
174
171
156
166
168
152
150
173
168
146
155
172
159
a. Construct a cumulative relative frequency distribution for the data.
b. Construct an ogive for the data.
c. What proportion of horses weighs less than 160kgs?
d. What proportion of horses weighs between 145 and 165kgs?

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Definitions:

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A programmable logic controller system, an electronic system used for industrial automation, controlling machinery and processes through digital input and output.

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Electronic switches that operate without moving parts, using semiconductor devices to switch on or off.

Electrical Noise

Unwanted disturbances superimposed on a useful signal that tend to obscure its information content.