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Question
The mid-value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are
The mid-value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are
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Solution
The correct option is B 47 and 37
Mid value = 42 and class size = 10
∴ Upper limits = 42 + 102 = 42 + 5 = 47
and lower limit = 42 −102 = 42 - 5 = 37
Upper class limit and lower class limits are 47 and 37
47 and 37
Mid value = 42 and class size = 10
∴ Upper limits = 42 + 102 = 42 + 5 = 47
and lower limit = 42 −102 = 42 - 5 = 37
Upper class limit and lower class limits are 47 and 37
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