Basic Statistics for Business and Economics ch 9
Help!
|
|
||||
|---|---|---|---|---|---|
| Point Estimate | show 🗑
|
||||
| show | A range of values constructed sample data so that the population parameter is likely to occur within that range at a specified probability. The specified probability is called the level of confidence.
🗑
|
||||
| Level of Confidence | show 🗑
|
||||
| show | The standard deviation of the sampling distribution of the sample mean.
🗑
|
||||
| show | z = 1.96
🗑
|
||||
| 99 Percent Confidence Interval | show 🗑
|
||||
| The factors that determine width of a confidence interval are: | show 🗑
|
||||
| show | It is a continuous distribution. It is bell-shaped and symmetrical. There is a family of t distributions where the mean is 0 and the standard deviations differ according to the sample size. It is more spread out and flatter than the z distribution.
🗑
|
||||
| Use a Z distribution if: | show 🗑
|
||||
| Use a t distribution if: | show 🗑
|
||||
| show | The fraction, ratio, or percent indicating the part of the sample of the population having a particular trait of interest.
🗑
|
||||
| show | X / n
🗑
|
||||
| Finite-Population Correction Factor (FPC) | show 🗑
|
||||
| Finite | show 🗑
|
||||
| Selecting a sample size (n)depends on these factors: | show 🗑
|
||||
| show | The amount that is added and subtracted to the sample mean (or sample proportion) to determine the endpoints of the confidence interval.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
dengler
Popular Business sets