Test 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| 6.2 |
🗑
|
||||
| uniform distribution | values spread evenly over the range of possibilities
🗑
|
||||
| Standard normal distribution | normal probability distribution with mean=0 and stand. deviation=1
🗑
|
||||
| normal cdf | probability
🗑
|
||||
| inv.norm. | z-score
🗑
|
||||
| 6.3 |
🗑
|
||||
| z score formula | x-mean/stand. dev.
🗑
|
||||
| Standard error of the mean o x | mean/square root of n
🗑
|
||||
| Sample of Values | _
x-mean/stand.Dev./Sqare root of n
🗑
|
||||
| 7.2 |
🗑
|
||||
| Point Estimate | single value(or point) used to approximate a population parameter
🗑
|
||||
| Confidence Interval | range of values used to estimate the true value of a population parameter
🗑
|
||||
| Confidence level | probability 1-a
🗑
|
||||
| critical value | number on the borderline seperating sample statistics that are likely to occur from those that are unlikely to occur(z
a/2)
🗑
|
||||
| Margin of error | denoted by E,maximum likely difference
🗑
|
||||
| Round off rule-CI | 3 digits
🗑
|
||||
| Round off rule-Sample size | larger whole number, can't have half a person
🗑
|
||||
| sample size for population mean | n=[za/2o
/e]^2
🗑
|
||||
| Degrees of Freedom | number of sample values that can vary after certain restrictionsw have been imposed on all data values
🗑
|
||||
| Degrees of freedom formula | n-1
🗑
|
||||
| Zinter | mean is known and n>30
🗑
|
||||
| Tinter | mean NOT known and n>30
🗑
|
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:
barrelracer0218
Popular Math sets