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A public opinion poll surveyed a simple random sample of 1000 voters. Respondents were classified by gender (male or female) and by voting preference ( Republican, Democrat, or Independent). Results are shown in the table below. Voting Preferences Row total Republican |Democrat Independent Male 200 150 50 400 Female 250 300 50 600 Column total 450 450 100 1000 Is there a gender gap? Do the men's voting preferences differ significantly from the women's preferences? What type of test is this? O One sample t-test O Paired t-test Two sample t-test O Two sample pooled t-test O ANOVAHow many degrees of freedom? What is the value of the test statistic (step 4) to two decimal places? Find the p-value to four decimal places. Should you reject the null at 5%? yes O no