Urban University

1. What is another name for the alternate hypothesis?
Answer

Null hypothesis

Hypothesis of no   difference

Rejected hypothesis

Research hypothesis

2. What is the difference between a sample mean and the population mean called?
Answer

Standard error of the   mean

Sampling error

Interval estimate

Point estimate

2 .A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game during the season. Using the 90% level of confidence, what is the confidence interval for the proportion of students attending a football game?
Answer

[0.7510, 0.8290]

[0.6620, 0.6980]

[0.6659, 0.6941]

[0.6795, 0.6805]