In the article by Brown (This Journal,105: 139, 1952) the following errors appear:
Page 146, table 4, line 4: the second quantity should be √kj.
Page 148, paragraph 3, last line: the symbol should be √2kj.
Page 149, third line below the table: the quantity should read ([unknown]θ - θj)/s.
Page 153, line 2: should read "correlation" instead of "regression".
Page 153, equation (2): should read Xi instead of xi.
Page 153, line 8 of text: the first two symbols are x'i and y'i.