{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Statistics 102 Quiz 1 Practice Answers

# Statistics 102 Quiz 1 Practice Answers - Stat 102 Practice...

This preview shows pages 1–3. Sign up to view the full content.

Stat 102 Practice Quiz 1. The 95% confidence interval for the population mean i. is a random interval symmetric around the sample mean. ii. Is a random interval symmetric around the population mean iii. has width proportional to the sample standard deviation iv. has width inversely proportional to the sample standard deviation a. i. and iii. b. i. and i.v. c. ii. and iii. d. ii. and i.v. e. none of the above. Answer: a. The confidence interval is always symmetric around the sample mean, with width proportional to s . 2. In a two-sample comparison problem, which of the following quantities can not be computed from the data?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
parameter. It is a quantity that relies on the population standard deviations of each of the two samples. Sample standard deviations, s (choice a), is by definition computable from the sample.
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 5

Statistics 102 Quiz 1 Practice Answers - Stat 102 Practice...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online