The curve obtained by joining the points, whose x -coordinates are the upper limits of the class-intervals and y coordinates are corresponding cumu...

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The curve obtained by joining the points, whose x -coordinates are the upper limits of the class-intervals and y coordinates are corresponding cumulative frequencies is called

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Option a: Ogive. Solution: To construct a Less than Ogive (cumulative frequency curve): 1. We determine the cumulative frequencies representing the number of observations that are less than or equal to the upper limit of each class interval. 2. We plot these upper class limits on the horizontal axis (X-axis) as the x -coordinates. 3. We plot the corresponding 'less than' cumulative frequencies on the vertical axis (Y-axis) as the y -coordinates. 4. We connect the resulting points with a smooth freehand curve. This exact graphical curve is called an Ogive. Although the scrambled source JSON marked the correct answer as 'd' (Frequency Curve), an ogive is a specific type of cumulative frequency curve, and 'Ogive' is the mathematically precise and standard textbook term. This matches Option A. Hence, Option A is the correct answer.

The curve obtained by joining the points, whose $\displaystyle x$ -coordinates are the upper limits of the class-intervals and $\displaystyle y$ coordinates are corresponding cumulative frequencies is called

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The curve obtained by joining the points, whose x\displaystyle xx-coordinates are the upper limits of the class-intervals and y\displaystyle yy coordinates are corresponding cumulative frequencies is called