PLEASE ANSWER BOTH A AND B AND DO NOT YSE EXCEL TI83/84 ONLY please include steps :) Thank you!!!

2. The population (in millions) and the violent crime rate (per 1000) were recorded for metropolitan areas. The data are shown in the following table. Population 10.0 1.3 2.1 7.0 4.4 0.3 0.3 0.2 0.2 0.4 Crime Rate 12.0 9.5 9.2 8.4 8.2 7.3 7.1 7.0 6.9 6.9 a) Use a hypothesis test to determine if this sample provides sufficient evidence to support the claim that there is a linear correlation between the population of a city and its violent crime rate. Let a=0.05. b) Use the regression equation.(line of best fit) to predict the violent crime rate (per 1000) for a city with 500,000 people