Calculator Tips For TI-83



Calculator Tips For Casio

Clearing Lists

Option #1

MEM

4:ClrAllLists

ENTER

Option #2

STAT

EDIT

1:Edit

Arrow up and over until heading of the list to be cleared is highlighted.

CLEAR

ENTER

Entering Data

Be sure list is cleared.

STAT

EDIT

1:Edit

Enter data. Be sure you remember which data are in which list.

Descriptive Statistics

One-Variable Statistics (Σx, Σx2, Sx...)

Be sure you have data entered into a list.

STAT

CALC

1:1-Var Stats

By default, this function assumes that your data are stored in L1. If your data are not stored in L1, type in the name of list before hitting ENTER for the last time. To type in the name of the list, use the yellow "L1", "L2", "L3", ...above the numbers "1", "2", "3",...

Two-Variable Statistics (Σx, Σx2, Sx, Σy, Σy2, Sy, Σxy...)

Be sure you have data entered into two lists (x in one list and y in another list).

STAT

CALC

2:2-Var Stats

By default, this function assumes that your x data are stored in L1 and your y data are stored in L2. If your data are not stored in L1 and L2, type in the name of the x list, a comma, and the name of the y list before hitting ENTER for the last time. To type in the name of the list, use the yellow "L1", "L2", "L3", ...above the numbers "1", "2", "3",...

Arrow up and down to see all the output.

Scatter Plot

Be sure data are entered into two lists.

STATPLOT

Select a plot (doesn't matter which one).

Be sure ON is highlighted.

Select a type (scatter plot is the first plot).

Be sure the correct lists are typed for x list and y list.

ZOOM

9:ZoomStat

Boxplot & Histogram

Be sure data are entered into a list.

STATPLOT

Select a plot (doesn't matter which one).

Be sure ON is highlighted.

Select a type (modified boxplot is the fourth plot, standard boxplot is the fifth plot, and histogram is the third plot).

Be sure the correct list is typed for x list.

Leave frequency set at 1.

ZOOM

9:ZoomStat

Linear Regression

Be sure data are entered into two lists.

STAT

CALC

4:LinReg(ax+b)

By default, this function assumes that your x data are stored in L1 and your y data are stored in L2. If your data are not stored in L1 and L2, type in the name of the x list, a comma, and the name of the y list before hitting ENTER for the last time. To type in the name of the list, use the yellow "L1", "L2", "L3", ...above the numbers "1", "2", "3",...

If r is not displayed...

CATALOG

DiagnosticOn

ENTER

To graph regression equation...

Either manually type in the regression equation or,

Y=

Clear out one of the equations.

VARS

5:Statistics

EQ

1:RegEQ

Note that this function only remembers the most recent regression equation. If you are running several regressions, be sure that you are plotting your desired regression equation.

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