1-Var Stats And 2-Var Stats; And 2 - Texas Instruments TI-73 Explorer Manual Book

134
Chapter 7: Statistical Analyses
Non-integer freq elements are valid. This is useful when
entering frequencies expressed as percentages or parts that
add up to 1. However, if freq contains non-integer frequencies,
and (sample standard deviation) are undefined, and
Sx Sy
values are not displayed for
1-Var Stats and 2-Var Stats - v ! 1 and 2

1-Var Stats and 2-Var Stats

(one-variable statistics) analyzes data from one list
1-Var Stats
with one measured variable (X).
optional arguments, XList and freq. If XList is not specified,
the default list name is
1-Var Stats
(two-variable statistics) analyzes paired data from
2-Var Stats
two lists with two measured variables, X, the independent
variable, and Y, the dependent variable.
three optional arguments, XList, YList, and freq. If XList and
YList are not specified, the default list names are
2-Var Stats
³
Find the
1-Var Stats
freq, where
1. Define two lists in the List
editor,
3
For more information on entering lists,
see Chapter 5: Lists.
.
L
1
[XList,freq]
[XList,YList,freq]
for , where
L
1
L ={1,4,2,3,4,6,7,9}
2
and .
L L
1 2
and in the statistical results.
Sx Sy
accepts two
1-Var Stats
2-Var Stats
L ={1,3,4,5,5,7,8,9}
1
.

1 and 2

accepts
and .
L L
1 2
. Use as
L
2