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10 pts In September 2007 only 48 of working class households said their incomes were...

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10 pts In September 2007 only 48 of working class households said their incomes were falling behind the cost of living A survey of 50 random working class households in early February 2008 found that 32 of them now felt their incomes were falling behind Do these data provide sufficient evidence at the 0 01 level of significance to conclude that the proportion of working class households who say their incomes are falling behind the cost of living is higher in February 2008 than it was in September 2007 a What type of test are we using Determine if a test is left tailed right tailed or two tailed

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