Please count it manually without using excel so I can learn how to calculate it

Please count it manually without using excel so I can learn how to calculate it 1. A seller analyzes the relationship between the total sales and product name. He wants to know the relation between the products and the amount sold. The Product Name The Product Name in Numbers The Total Sales A 1 10 B 2 22 C 3 33 D 4 52 E 5 80 F 6 95 G 98 la. Calculate in the Pearson correlation coefficient for variables: The Product Name in Numbers, The Total Sales. And determine the strength and direction the correlation coefficient. Please draw a scatter diagram to support the answer of the strength and direction the correlation coefficient and label each axis. Describe the correlation coefficient in scatter diagram 1a. Use a significance level of 0.5. to find out if it makes sense to conclude between:: The Product Name in Numbers and The Total Sales 1b. Determine the regression coefficients Bo and B1 by using the least squares method for the regression model below: The Total Sales = Be + B1 . The Day in Numbers 1b. Use estimated slope at the level = 0.05 to the significance. And make an interpretation from the obtained model above based on business perspective