The masses, in kilograms, of the animals treated at a veterinary clinic in the past year are
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The masses, in kilograms, of the animals treated at a veterinary clinic in the past year are illustrated in a histogram. The histogram has four columns of equal height. The following table shows the class intervals and the number of animals in two of the classes.
a. Find the value of a and of b, and show that a total of 2226 animals were treated at the clinic.
b. Calculate an estimate of the lower boundary of the masses of the heaviest 50% of these animals.
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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