The upper limit of a class interval is 450 and the lower limit is half of it. What is the mid value of this interval?

350

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337.5

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342.5

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335

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Solution

The correct option is B
337.5

Upper limit = 450

Lower limit = $\frac{450}{2}$ = 225

Mid value of this interval = $\frac{U p p e r L i m i t + L o w e r L i m i t}{2}$

= $\frac{450 + 225}{2}$

= $\frac{675}{2}$

= 337.5

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Q. The mid-value of a class interval is 42. If the class-size is 10, find the upper and lower limits of the class.

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Q. The mid value of a class interval is

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. If the class size is

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then the upper and lower limits of the class are:

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The upper limit of a class interval is 450 and the lower limit is half of it. What is the mid value of this interval?

The correct option is B 337.5 Upper limit = 450 Lower limit = 4502 = 225 Mid value of this interval = Upper Limit + Lower Limit2 = 450+2252 = 6752 = 337.5

The correct option is B
337.5

Upper limit = 450

Lower limit = $\frac{450}{2}$ = 225

Mid value of this interval = $\frac{U p p e r L i m i t + L o w e r L i m i t}{2}$

= $\frac{450 + 225}{2}$

= $\frac{675}{2}$

= 337.5