Question

1.     Researchers are interested in updating the average survival time of breast cancer patients. Current

national data claims a 5.1 year average survival time for breast cancer patients. . After treatment analysis of a new drug for breast cancer, based on 1000 patients, the research team calculates that the average survival time is 7.8 years.

a)     Does the national data report contain a parameter or an estimator?

b)     Does the study report a parameter or an estimator?

Identify each of the following as either a parameter or a statistic, and give the correct notation.

c) Average body temperature, based on 100 randomly selected people.

d)      Proportion of non-smokers based on data from 10000 people.

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