Question0: الويت المبفر 0:18:56 -
The next Four (4) questions refer to this situation: Doctors' practices have been categorized as to being Urban, Rural, or Intermediate. The number of doctors who prescribed tetracycline to at least one patient under the age of 8 were recorded for each of these practice :areas. At level of significant 0.01 . The results are
Crosstabulation
Chi-Square Tests \begin{tabular}{|l|r|r|r|} \hline & \multicolumn{1}{|c|}{ Chi-square } & \multicolumn{1}{c|}{ df } & Asymptotic Significance (2-sided) \\ \hline Pearson Chi-Square & $79.277^{9}$ & 2 & .000 \\ Likelihood Ratio & 95.463 & 2 & 000 \\ N of Valid Cases & 474 & & \\ \hline \end{tabular} a. 0 cells $(0.0 \%)$ have expected count less than 5 . The minimum expected count is 12.30 . Specify the Null hypothesis $H_{0}$ : Doctors prescribe tetracycline and county type are linearly associated. 0 - $\mathrm{H}_{\mathrm{q}}$ : Doctors prescribe tetracycline independent of county type - $\mathrm{H}_{0}$ : Doctors prescribe tetracycline and county type are non-linearly associated 0 $\mathrm{H}_{0}$ : Doctors prescribe tetracycline not independent of county type