Question

which formula use for calculating mid value​

Answer 1

The formula to find the midrange = (high + low) / 2. Sample problem: Current cell phone prices in a mobile phone store range from $40 (the cheapest) to $550 (the most expensive). Find the midrange. Step 1: Add the lowest value to the highest: $550 + $40 = $590.

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Answer 2

The mid value continuous frequency can be found by taking the average of lower and upper limit