Question

1. A small hospital is planning for future needs for Covid 19. The data below show the number of cases in each of the past eight years.

Year	Cases	Year	Cases
1	565	5	615
2	590	6	611
3	583	7	610
4	597	8	623

a. Use simple linear regression to forecast the annual number of cases for each of the next three years.

b. Determine the correlation coefficient for the data and interpret its meaning.

c. Find the coefficient of determination for the data and interpret its meaning.

Answer 1

On the basis of using simple linear regression, correlation coefficient, and coefficient of determination a small hospital planning for the future needs of covid 19 indicate as year increase the number of cases also increase by showing a direct and strong relationship between year and number of cases.