Home / Questions / Twelve Batteries were tested to see how many hours they would last The frequency distribut...
Twelve Batteries were tested to see how many hours they would last. The frequency distribution is shown here.
Hours Frequency
1 - 3 1
4 - 6 4
7 - 9 5
10 - 12 1
13 - 15 1
find mean and modal class
Apr 09 2020 View more View Less
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