study was recently conducted in which people were asked to indicate which news medium was their pref choice for national news. The following data were observed: radio television newspaper 50 25 30 under 21 21-40 41 and over 30 20 30 30 Given this data, f we wish to test whether the preferred news source is independent of age with an alpha equal to critical value will be a chi-square value. What is the degrees of freedom of chi-square value? ats (# /cvs -1) 23-1) A) 9 B) 6 D) 11 u intongmdemt nf aet The following da