Answer:
Option: D is the correct answer.
D. The range of round 1 is greater than the round 2 range.
Step-by-step explanation:
Round-1
Score Frequency Total
5 1 5×1=5
6 4 6×4=24
7 2 7×2=14
8 2 8×2=16
9 1 9×1=9
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Total-- 68
Hence, total score obtained in Round 1 are: 68
Round-2
Score Frequency Total
5 3 5×3=15
6 1 6×1=6
7 6 7×6=42
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Total-- 63
Hence, total score obtained in Round 1 are: 63
Hence, Round-1 scores were higher than Round-2 scores,=.
Hence, option: B and C are discarded.
Also, there is a overlap in the data ( since there are some scores which are obtained in both the rounds)
Hence, option: A is discarded.
Now,
Range of round-1 score is:
Maximum score-Minimum score
=9-5
=4
Hence, Range of Round-1 is: 4
Similarly Range of Round-2 is: 2
( Since, Maximum score in round-2 is: 7
and Minimum score is: 2
Hence, Range=7-5=2 )
Hence, the correct answer is:
D. The range of round 1 is greater than the round 2 range.
