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:

Bootstrap Confidence Interval

A statistical technique that uses resampling with replacement to estimate the confidence intervals of a parameter.

Correlation

A statistical measure that expresses the extent to which two variables change together, indicating the strength and direction of their relationship.

Heights and Weights

Numerical measurements that represent the stature and mass of individuals, often used in health and fitness assessments.

Sample Mean

The average value obtained from a sample, calculated by summing all observations and dividing by the number of observations.