When using the Kruskal-Wallis test, tied scores between conditions are thrown out

Which of the following is TRUE?

a. Those over 65 years of age are more likely than younger adults to suffer from chronic conditions. b. The mortality rate for adults in the U.S. rises sharply between ages 45 and 50. c. Across all age groups, the number one killer is accidents. d. Those over 65 and young adults are equally likely to suffer from acute conditions, such as the common cold or the flu.

Which of the following is true about Nissl staining?

a) This technique led to the theory of the neuron doctrine by Franz Nissl. b) It is a staining technique done in order to distinguish neurons from other cells in the brain by staining the cell body. c) This is a staining technique done by soaking tissue in silver chromate in order to make neurons appear in a dark colour. d) The discovery of this technique 20 years ago has made more advances in knowledge of neuroanatomy than the previous 100 years combined. e) All of the above are true.