Identify the population and the sample Describe the sample data set A survey of 138 law firms in a country found that the average hourly billing rate for partners was 632 Identify the population Choose the correct answer below the law firms that were surveyed all law firms in the country all people in the country O O O O all partners Identify the sample Choose the correct answer below O all partners O all people in the country Oall law firms in the country O the law firms that were surveyed Describe the sample data set Choose the correct answer below O A Charging an average of 632 per hour OB The 138 law firms OC The average hourly billing rate for partners of 138 law firms was 632 OD Partners of 138 law firms were billed exactly 632 per hour