1) A researcher would like to know if regular exercise benefits female breast cancer survivors by improving quality of life. The researcher randomly selects a sample of 40 female breast cancer survivors (not involved in a regular exercise routine) who are then randomly assigned to one of two conditions (or groups): Following pre-tests on a quality of life index, the Experimental group (exp) took part in a structured strength training program for a period of six months while the Control group (contr) did not take part in the program. After the six-month training period, the researcher again measured quality of life in all 40 participants.
1) A researcher would like to know if regular exercise benefits female breast cancer survivors by improving quality of life. The researcher randomly selects a sample of 40 female breast cancer survivors (not involved in a regular exercise routine) who are then randomly assigned to one of two conditions (or groups): Following pre-tests on a quality of life index, the Experimental group (exp) took part in a structured strength training program for a period of six months while the Control group (contr) did not take part in the program. After the six-month training period, the researcher again measured quality of life in all 40 participants.
2) A researcher suspects that there is a relationship between substance use and sexual activity among single college students.
3) A study of US residents is conducted to assess the relationship between gender and if they have cardiomyopathy.
What statistical analysis tests would you use for each of these?
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