A researcher wants to know how registered voters in her state feel about health care She obtains a list of 2152 registered voters in her state selects 700 of them at random and emails a questionnaire to them 149 questionnaires are returned Of these 73 stated that they believe that the current health care program needs to be completely overhauled Classify the following groups a the population or the sample for this particular study If a group does not belong in either category leave it unplaced Population the 149 registered voters who returned the questionnaire the 73 who stated that the current health care program needs to be completely overhauled Answer Bank the 700 registered voters who were randomly chosen all registered voters in the researcher s state 21 the proportion of all registered voters in the researcher s state who believe that the current health care program needs to be completely overhauled Sample the 2152 registered voters whose names were obtained all registered voters