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# Researchers are interested in updating the average survival time of breast cancer patients. Current national data claims a 5.1 year average survival...

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.