We surveyed a __________ sample of 120 families.
举一反三
- Almost _of all American families are single parent families.
- Find out the families of one of following countries which are individualistic families.
- Find out the families of one of following countries which are collectivist families.
- If we wanted to reduce the standard error of the sample mean by half, we would need a sample size of about() A: 184 B: 46 C: 92 D: 50 <br/>Part 4 - Retail Sales<br/>A retailer randomly sampled 38 shoppers on “Black Friday”<br/>(the day after Thanksgiving – the largest retail shopping day<br/>of the year in the E: ), and surveyed them about their shopping<br/>habits, including time spent. The sample mean was reported as 5.58<br/>hours, with a sample variance of 7.59.
- The war parted many men _______their families. Until now these families have been unable to get reunited.