Applied-Probability-and-Statistics 무료 덤프문제 온라인 액세스

Standard error decreases when:

• A.Mean increases
• B.Sample size increases
• C.SD increases
• D.Sample size decreases

Empirical probability = ?

• A.Theoretical
• B.Uniform
• C.Guess
• D.Based on observed data

In a normal distribution, 95% of data lies within:

• A.±1 SD
• B.±2 SD
• C.±4 SD
• D.±3 SD

A t-distribution is used when:

• A.Population categorical
• B.Data continuous
• C.# known, large sample
• D.# unknown, small sample

Probability of rolling sum = 2 on 2 dice = ?

• A.1/36
• B.1/12
• C.2/36
• D.1/6