Daniel Peterkin ~ b. 1871 ~ Businessman. Born Scotland. son of James and Isabella (Hall) Peterkin; ed. in Scotland; came to US in 1892; married 1904 Jeanette, daughter of Charles H. Knights of Chicago; children: Daniel and Jeanette.e brought the total up to 83 in the first years of this century. The herd came to number as many as 900. In 1906 an act of Congress provided Philip with 3,500 acres at nominal rent, the first time the government of the U.S. moved to save a species from extinction.
In statistical hypothesis testing, a type I error is the incorrect rejection of a true null hypothesis (a false positive), while a type II error is the failure to reject a false null hypothesis (a false negative).he rate of the type II error is denoted by the Greek letter Î² (beta) and related to the power of a test (which equals 1âÎ²). What we actually call type I or type II error depends directly on the null hypothesis. Negation of the null hypothesis causes type I and type II errors to switch roles.
Null hypothesis. The null hypothesis, denoted by H0, is usually the hypothesis that sample observations result purely from chance. Alternative hypothesis. The alternative hypothesis, denoted by H1 or Ha, is the hypothesis that sample observations are influenced by some non-random cause.