The position of the graphically represented keys can be found by moving your mouse on top of the graphic. 

Turn your calculator on
Press Upper Right Corner..
Clearing the memory
Press Row 1, Column 1 Row 1, Column 5 (you should see CA, for Clear All, above the key).

 

Entering data
one variable
Press Row 1, Column 2 (this brings us to the STAT menu).  Press for one variable mode.  Enter the first number, then Row 4, Column 6.   Enter the second number, then Row 4, Column 6.  Continue until all the data has been entered.
two variables
Press Row 1, Column 2 (this brings us to the STAT menu).  Press for two-variable mode (it calls it linear regression mode).  Enter the first x-value,  then Row 4, Column 5.  Enter the corresponding y-value, then Row 4, Column 6.  Enter the next pair the same way, and continue until all the data has been entered. 

 

Calculating one-variable statistics
mean (x)
Press Row 4, Column 4 .  You should see x  over the 4 key.
standard deviation for populations (s or sn)
Press Row 4, Column 4 .  You should see sx over the 6 key.
standard deviation for samples (s or sn-1)
Press Row 4, Column 4 .  You should see sx over the 5 key.

Calculating two-variable statistics

r (correlation)
Press Row 4, Column 4 Row 6, Column 5.  You should see r over the key.
regression coefficients
slope
Press Row 4, Column 4 Row 5  Column 4. You should see a over the left parenthesis key.
y-intercept
Press Row 4, Column 4 Row 5  Column 5. You should see b over the right parenthesis key.

Turning the calculator off
Press Row 1, Column 1 Upper Right Corner and the calculator will turn off.

 

Worked Out Examples

In the following examples, we list the exact key sequence used to find the answer.  We will list the keys by the main symbol on the key.  In parentheses, we will list a helpful mnemonic, e.g. we will list ex as (ex).

A: What is the mean and standard deviation of the following list of numbers?

15      16      20      21

1: Clear Memory   Row 1, Column 1 Row 1, Column 5
2: Enter Data  Row 1, Column 2 Row 4, Column 6 Row 4, Column 6   
 
Row 4, Column 6 Row 4, Column 6
3: Compute the mean  Row 4, Column 4 (x)
4: Compute the population standard deviation  Row 4, Column 4 (sx)
5: Compute the sample standard deviation  Row 4, Column 4 (sx)


    You should get a mean of 18, population standard deviation of 2.549509757 and a sample standard deviation of 2.943920289.

B: Find the linear regression line for the following table of numbers. Also find the correlation.

x 1 2 3 4
y 2 4 5 7

1: Clear Memory   Row 1, Column 1 Row 1, Column 5
2: Enter Data  Row 1, Column 2   Row 4, Column 6   
 Row 4, Column 6 Row 4, Column 6 Row 4, Column 6
3: Compute the slope of the regression line  Row 4, Column 4 Row 5  Column 4 (a)
4: Compute the y-intercept of the regression line  Row 4, Column 4 Row 5  Column 5 (b)
5: Compute the correlation  Row 4, Column 4  (r)


    You should get a slope of 1.6, a y-intercept of 0.5, and a correlation of 0.992277876.
    The regression line would be: y = 1.6x+0.5.

 

For more information, consult a manual.

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