Calcium is essential to tree growth In 1990 the

Last updated: 4/10/2023

Calcium is essential to tree growth In 1990 the concentration of calcium in precipitation in Chautauqua New York was 0 11 milligram per liter sample of 8 precipitation dates in 2018 results in the following data 0 120 0 108 0 070 0 183 0 313 0 087 0 126 0234 A normal probability plot suggests the data could come from a population that is normally distributed A boxplot does not show any outliers Does the sample evidence suggest that calcium concentrations have changed since 1990 Use the a 0 1 level of significance What are the null and alternative hypotheses Ho H Type integers or decimals Do not round mg A random