Question

Asked Sep 1, 2019

Number 18 on the attached file.

I want a credited question bc I already asked this question and not only was it wrong on the part that they actually did, it was unfinished.

So, will you please do this question correctly and completely. Much apprecited.

Step 1

**Note:**

Hi! Thank you for posting the question. As your question has more than 3 parts, as per our policy, we have solved the first 3 parts for you. If you need help with another part, please re-post the question and let us know which part you need help with. A screenshot of the question that you need help answering is attached below:

Step 2

**Calculation: Parts a & b:**

The symbol “Σ” denotes summation. Keeping this in mind, the calculations are done in the following table.

Remember that, in the table, whenever the “Σ” is used in any column, it denotes the **sum of the numerical values above it in that particular column**.

Step 3

**Calculation: Part c:**

For Part **c**, the expression implies that 1 is added to the sum of all *X* values, that is, 1 i...

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