Determine whether descriptive statistics or inferential statistics were used. 
a ) Because of the current economy, 4 9 % of 1 8 - 3 4 - year - olds have taken a job to pay the bills. 
b ) In a weight loss study using teenagers, 5 2 % of the group said that they lost weight and kept it off by counting calories. 
c ) A recent article stated that 6 6 % of U . S . phone owners have a fear of being without their phone. 
d ) A survey of 1 2 5 9 laptop users showed that 2 7 % of them purchased laptop insurance. 
e ) A survey of 2 2 3 4 people conducted by the Harris Poll found that 5 5 % of the respondents said that excessive complaining by adults was the most annoying social media habit. 
f ) In 2 0 3 0 , the U . S . population is predicted to be 3 5 9 . 4 million people. In a study, 3 4 7 human resource professionals were surveyed. Of those surveyed, 7 3 % said that their companies conduct criminal background checks on all job applicants.