a. Is there a statistically significant relationship between gender and party preference? b. Compute column percentages for the table to clarify the pattern of the relationship. Which gender is more...

a.
Party preference Gender
Male Female Total
Democrat 10 15 25
Republican 15 10 25
Total 25 25 50
Follow the steps to conduct Chi-square to determine relationship between gender and
party preference.
 Determine the row and column marginal of each table by determining row totals
and column totals.
 Use the following formula to determine expected frequencies of each cell.


Row marginal Column marginal
ef
N


Where, ef is the expected frequency and N is the total of column marginal ( or row
marginal).
 Use the formula below to calculate Chi-Square test statistic.

 
2
0 /e ef f f
Where, 0f stands for observed...