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how to find the D1 class​

Sagot :

Answer:

Using the information presented in the table, the 1st decile can be calculated as:

1. = Value of [(30 + 1) / 10]th data.

2. = Value of 3.1st data, which is 0.1 of the way between scores 55 and 57.

3. = 55 + 2 (0.1) = 55.2 = D1.

4. D1 means that 10% of the data set falls below 55.2

Step-by-step explanation:

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