Webthe short answer to this question is that about 60 to 80 percent of the difference in height between individuals is determined by genetic factors, whereas 20 to. Webchanges in average height in a population say a lot about how nongenetic factors can affect human development. Gigacalculator examined data from the ncd. Webstatistical significance determines that a relationship between two or more variables is caused by something other than chance. Webthe study of height and intelligence examines correlations between human height and human intelligence. Some epidemiological research on the subject has shown that there. Webdata concerning height (in inches) were collected from 99 females and 126 males. This example uses the following minitab file: Check assumptions and write hypotheses. We have two independent groups: Height in inches is a. Webthe largest height difference between two presidential candidates (out of the candidates whose heights are known) was in the 1860 election, when abraham lincoln stood 12.
