Question: Can you help me solve this equation, I need all the steps to understand. We draw a simple random sample of 30 restaurant bills (representing

Can you help me solve this equation, I need all the steps to understand.

We draw a simple random sample of 30 restaurant bills (representing

30 tables served). The population is the total of 400 bills for the week.

For each invoice, we note:

X: the number of people served

Y: the amount of the invoice

Here is a summary of sample data:

Can you help me solve this equation, I need all the steps

people demed per invoice

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