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IMQWqFYZINSIXLXPu_nz2Y-UIT_cv9nNsnVVg700QYhQv82LR-QCPfJIU... Q spa ' Executives at Thinking Channel have deeded to test whether the educational backgrounds of the channers '-newer-s are d/fferent from the educational
spa ' Executives at Thinking Channel have deeded to test whether the educational backgrounds of the channers '-newer-s are d/fferent from the educational backgrounds of Amencan adults (ages 25 and over) as a whole. The executrves have the followlng InforrnaOon on the Amerlcan adult population as a whole, obtained from a recent U.S. current population survey. Highest degree earned Less than high school High school college Hlghr than cOllege Percent of population 25% 8% The executtves also obtalned data (from telephone surveys) on highest degrees earned for a random sample of 180 Amencan adults who are Thlnsang Channel vlewery These data are summanzed by the first row of numbers In the table below. These numbers are the frequenaes for the degree categones frat were observed In the sample of 180. The second row of numbers glves, the under the assumption that fre dlstnbut'on of hlghest degrees earned by Thlnktng Channel Viewers IS the same as the dlstrtbuuon of highest degrees eamed by Amertcan dutts as a whole, The bottom row of numbers gives the following value for each of ffe degree categones. (fo- fE)2 part 1 2 (Observed frequency Expected frequency) frequency (fo-fE)2 Fill In the rnlssung values II. e table. to three or more deamal places. Send data to Excel Round your responses for the expected frequencies to two or more decimal places. Round your responses Observed frequency 10 Expected frequency (fo-fE)2 part 2 Less than high school 24 High school 31 45 oo 4356 college 115 99 oo 2 586 Higher than college 10 Total 180 x
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