Part a The population The population is a group of clients of this counselor The population is all of the clients of this counselor The population is all of the clients of this counselor who stay married The population is all couples in marriage counseling Part b The sample The sample is all of the clients of this marriage counselor The sample is a group of clients of this marriage counselor The sample is a group of clients of all marriage counselors The sample is all of the clients of this counselor who stay married Part c The parameter The parameter is the proportion of a sample of clients of any marriage counselor who stay married A The parameter is the proportion of all clients of any marriage counselor who stay married O The parameter is the proportion of all of this counselor s clients who stay married The parameter is the proportion of the sample of this counselor s clients who stay married Part d The statistic The statistic is the proportion of all clients of any marriage counselor who stay married The statistic is the proportion of the sample of this counselor s clients who stay married The statistic is the proportion of all of this counselor s clients who stay married The statistic is the proportion of a sample of clients of any marriage counselor who stay married