A study of the amout of rainfall and the quantity of air pollution removed produced the following daily rainfall(x)4.3,4.5,5.9,5.6.1,5.2,3.8,2.1,7.5. Particulate removed 126 ,...

A study of the amout of rainfall and the quantity of air pollution removed produced the following daily rainfall(x)4.3,4.5,5.9,5.6.1,5.2,3.8,2.1,7.5. Particulate removed 126 , 121,116,118,114,118,132,141,108.Test the null hypothesis p=-0.5against the alternative hypothesis p less than -0.5 at the 0.025 of significance.