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1. For a candidate to win in a congressional district, he has to have won over half of the vote. The Republican candidate takes a poll to assess his chances in a two-candidate race. He polls 1200 potential voters and find that 621 plan to vote for the Republican candidate. Does the Republican candidate have a chance to win? Use a level of significance of ? = 0.05.
Answer: Given data
1. H0 : (Claim)
Ha :
2. ? =
3. Test statistics:
4. P-value or critical z0
Use Friedman test to find out whether there is evidence for significant difference between two population variance. Use .05 level of significance.
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