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Null Hypothesis Assignment | Professional Writing Services

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January 16th, 2020

Does Low Dose CT screening for lung cancer result in earlier diagnosis of lung cancer?

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·       The question could compare data statistics in the population who have been diagnosed with lung cancer who received screening and those who have not.

·       The null hypothesis is that populations with a higher screening rate do not have a lower incidence of deaths due to lung cancer.

·       The alternative hypothesis is that populations with a higher screening rate do have a lower incidence of deaths due to lung cancer.

Key variables

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·       Dependent variable

·       Cancer stage at diagnosis (stage 1, 2, 3 and 4)

·       Independent variable

·       Status of LDCT prior to lung cancer diagnosis

·       Controlled Variable

·       Age – 65-77

I need to perform an bi-variate analysis by means of descriptive statistics. Please explain in detail.

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