A student is assessing the correlation between the number of workers in a factory and the number of units produced daily. The table shows the data:

Number of workers

(x) 0 10 20 30 40 50 60 70 80 90

Number of units

(y) 2 52 102 152 202 252 302 352 402 452

Part A: Is there any correlation between the number of workers in a factory and the number of units produced daily? Justify your answer.

Part B: Write a function that best fits the data.

Part C: What does the slope and y-intercept of the plot indicate?