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Calculate a value of chi-sqaure

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Reference no: EM13915078

1. We are looking at the question to examine the relationship between different news networks and their reporting practices.

Question: Are news networks actually biased in the reporting in favor of either the Republican or Democratic Party?

News Network

 # of negative stories about Democrats in first 6 months of 2006 # of negative stories about Republicans in first 6 months of 2006 Totals
Fox News 266 255 521
MSNBC 302 325 627
CNN 283 298 581
ABC 211 230 441
CBS 275 291 566
Totals 1337 1399 2736

2. The thinking is that differetn networks may affect how they report the news. The hypotheses are:

Ha: The major news networks favor one political party over the other in their reporting practices.

Ho: The major news networks do not favor one political party over the other in their reporting practices.

Calculate a value of chi-sqaure, and determine the conclusion at the 95% level of confidence.

Reference no: EM13915078

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