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- Download: https://solutionzip.com/downloads/histogram/
- A popular method of displaying data is in a Histogram. A histogram counts how many items of data
- fall in each of n equally sized intervals and displays the results as a bar chart in which each
- bar is proportional in length to the number of data items falling in that interval.
- Write a program that generates 10000 random integers in the range 0-99 and produces a Histogram
- from the random data. Assume that we wish to count the number of numbers that lie in each of the
- intervals 0-9, 10-19, 20-29, ………, 90- 99. This requires that we hold 10 counts, use an array
- to hold the 10 counts. While it would be possible to check which range a value x lies in by using
- if-else statements this would be pretty tedious. A much better way is to note that the value of
- x/10 returns the index of the count array element to increment.
- Having calculated the interval counts draw the Histogram by printing each bar of the Histogram as
- an appropriately sized line of X’s across the screen as below
- 0 – 9 16 XXXXXXXXXXXXXXXX
- 10 – 19 13 XXXXXXXXXXXXX
- 20 – 29 17 XXXXXXXXXXXXXXXXX
- etc.
- Download: https://solutionzip.com/downloads/histogram/
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