Name
Math B
Linear Regressions on the TI83+/84+ Graphing Calculator
To do a linear regression on the following set of data:
Homework Grade
49
23
47
46
39
42
First you need to clear all lists:
2nd
MEM
4
ENTER
Now you need to get to the lists:
STAT
ENTER
Qu
Calculating A Sigma (Summation) on the Graphing Calculator
Example: Evaluate the following:
7
n
n=2
Press 2ND STAT
Scroll over to MATH
Press 5 for sum
Press 2ND STAT
2
5
Scroll over to OPS
Press 5 for seq
Now type in the expression, changing the variable
Calculating A Sigma (Summation) on the Graphing Calculator
(Alternate Method)
Example: Evaluate the following:
7
n
2
5
n=2
Enter the integers from 2 through 7 into LIST 1
Now go back to the calculator screen and type, in parentheses, the
expression, repla
Finding the Probability of Exactly r Successes in n Trials Using
the Graphing Calculator:
Example: If the probability that the Mariners will win any game that
3
they play is , then what is the probability that they will win exactly 4
5
of their next 6 gam
Finding the Probability of At Most r Successes in n Trials Using
the Graphing Calculator:
Example: If the probability that the Mariners will win any game that
3
they play is , then what is the probability that they will win at most 4
5
of their next 6 gam
Finding the Probability of At Least r Successes in n Trials Using
the Graphing Calculator:
Example: If the probability that the Mariners will win any game that
3
they play is , then what is the probability that they will win at least 4
5
of their next 6 g