find the mean step deviation method 10 - 25,25 - 40,40 - 55,55 - 70,70 - 85,85 - 100 and frequency 2,3,7,6,6,6
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Step deviation method is deleted from our syllabus dear solve it with assumed or direct mean method
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Answer:
mean = 62
Step-by-step explanation:
the explanation is given above
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