Construct a frequency distribution and a frequency histogram for the data set using the indicated number of classes. Describe an
y patterns. Number of classes: 8 Data set: Finishing times (in seconds) of 20 male participants in a 5K race
1 answer:
Answer and Explanation:
Number of classes = 8
Highest value =2300
Lowest value = 1250
Class width= highest value – lowest value / number of classes
= 2300 – 1250/8
= 131.25 = 132
So, we can write class as 1250+132=1382
Class frequency
1250-1382 2
1382-1514 3
1514-1646 6
1646-1778 2
1778-1910 3
1910-2042 2
2042-2174 1
2174-2306 1
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A.
4x + 3y = 33
B.
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