TI-83

(noun)

A calculator manufactured by Texas Instruments that is one of the most popular graphing calculators for statistical purposes.

Related Terms

Examples of TI-83 in the following topics:

  • Using a Statistical Calculator

    • Two of the most common calculators in use are the TI-83 series and the R statistical software environment.
    • The TI-83 series of graphing calculators, shown in , is manufactured by Texas Instruments.
    • The TI-83 has a handy statistics mode (accessed via the "STAT" button) that will perform such functions as manipulation of one-variable statistics, drawing of histograms and box plots, linear regression, and even distribution tests.
    • The TI-83 series of graphing calculators is one of the most popular calculators for statistics students.
    • Analyze the use of R statistical software and TI-83 graphing calculators

  • Optional Collaborative Classroom Activity

    • NOTE: TI-83+ and TI-84: On the home screen, enter LN(1 - .80)/-.1
    • NOTE: TI-83+ and TI-84: On the home screen, enter e^(-.1*9) - e^(-.1*11).

  • Introduction

    • TI-83+ and TI-84 instructions are included as well as the test statistic formulas.
    • When using the TI-83+/TI-84 calculators, we do not need to separate two population means, independent groups, population variances unknown into large and small sample sizes.

  • Introduction

    • TI-83+ and TI-84 calculator instructions are included in the text.

  • Confidence Interval for a Population Proportion

    • The second solution uses a function of the TI-83, 83+ or 84 calculators (Solution B).
    • Use the TI-83, 83+ or 84+ calculator command invNorm(0.975,0,1) to find z .025 .
    • The second solution uses a function of the TI-83, 83+ or 84 calculators (Solution B).
    • Use the TI-83, 83+ or 84+ calculator command invNorm(0.95,0,1) to find z .05 .

  • Confidence Interval, Single Population Mean, Standard Deviation Unknown, Student's-t

    • The TI-83,83+,84+ have a tcdf function to find the probability for given values of t.
    • The TI-83 and 83+ do not have the invT command.
    • The TI-83, 83+ and 84 calculators have a function that calculates the confidence interval directly.
    • The solution is shown step-by-step and by using the TI-83, 83+ and 84+ calculators. 8.6; 9.4; 7.9; 6.8; 8.3; 7.3; 9.2; 9.6; 8.7; 11.4; 10.3; 5.4; 8.1; 5.5; 6.9
    • The second solution uses the Ti-83+ and Ti-84 calculators (Solution B).

  • Notation for Poisson: P = Poisson Probability Distribution Function X ~ P(u)

    • TI-83+ and TI-84: For a general discussion, see this example (Binomial).
    • NOTE: The TI calculators use λ (lambda) for the mean.

  • Notation for the Hypergeometric: H = Hypergeometric Probability Distribution Function X ~ H (r,b,n)

    • NOTE : Currently, the TI-83+ and TI-84 do not have hypergeometric probability functions.

  • The Correlation Coefficient r

    • The correlation coefficient r is the bottom item in the output screens for the LinRegTTest on the TI-83, TI-83+, or TI-84+ calculator (see previous section for instructions).

  • Calculations of Probabilities

    • There are instructions in the chapter for the TI-83+ and TI-84 calculators.
    • Using the TI-83+ or the TI-84 calculators, the calculation is as follows.
    • H ISTORICAL N OTE : The TI probability program calculates a z-score and then the probability from the z-score.
    • For the TI-83+ or TI-84 calculators, use invNorm in 2nd DISTR. invNorm(area to the left, mean, standard deviation) For this problem, invNorm(0.90,63,5) = 69.4