Answer:
The population mean
Step-by-step explanation:
Sample Mean is the mean of of the selected samples while the population Mean is the mean of all the population. The mean of the sampling distribution of the sample mean is equal to the mean of the original distribution (that is the sample mean is equal to the population mean).
The mean of the sample means is always approximately the same as the population mean
Need more information to be answered
Okay... so the y intercept it automatically 9. so that's out of the way. Now you narrow it down to a or b. the first number, with x is -3x. Thats your slope. easy as that
Answer: 6+10b
Step-by-step explanation: Subtract 1 and 2 from 9, and you will end up with 6. 3b and 7b is 10b when added together. I hope this helps. Have a nice day.
The possible value of b is:
-ax + 12x + 32 /over/ a + x