{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

sol_which_inference(1) - 7 Individual observations...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Answers to Inference Review Questions 2. Individual observations: Nominal(cheated or not?) Inference procedure: One sample proportion Statistic: Z Degrees of freedom: not applicable 3. Individual observations: Interval (amount of tar for a regular cigarette, or for a low tar one.) Inference procedure: Two sample mean Statistic: t Degrees of freedom: (15 - 1) = 14 degree of freedom 5. Individual observations: Interval (tip on one receipt.) Inference procedure: One sample mean Statistic: t Degrees of freedom: 20 - 1 = 19
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 7. Individual observations: Interval (For one team, its home points total and its away points total) Inference procedure: Mathched pairs Statistic: t Degrees of freedom: 32-1 = 31 8. Individual observations: Nominal (ticketed or not? and Man or woman?) Inference procedure: Two sample proportion Statistic: Z Degrees of freedom: not applicable Remark: For two sided two sample proportion test can also be done as a 2 × 2 χ 2 test of contigency table. 1...
View Full Document

{[ snackBarMessage ]}