TI 84 Programs for Statistics - Montgomery College

TI-83/84 Calculator Programs Used In Statistics

Probability Distributions

Key Strokes

2ND VARS (= DISTR) Option 2: Option 3:

Option 4: Option 6:

Option A: Option B:

*invT not available for TI-83

Format

Returns

For normal distribution with mean and standarddeviation

normalcdf( ZL , ZU , ,

Probability that

Z ZU

invnorm( P , ,

Value of Z , ZP , for which P is the probability that Z ZP

For t distribution with Ndof degrees of freedom

invT( P , Ndof

Value of t , tp , for which P is the probability that t tP

tcdf( tL , tU , Ndof )

Probability that

t

For binomial distribution with n trials, probability of success p

binompdf(n, p, x) binomcdf(n, p, x)

Probability of exactly x successes in n trials

Probability of x or fewer successes in n trials

Confidence Intervals

Key Strokes

STAT

(to TESTS)

Option 7:

Option 9:

Option A: Option B:

Option 8: Option 0:

What to Enter

Returns

For normal distribution(s)

ZInterval: Use Data (in a list) or Stats with standard deviation sample mean , and

sample size n

2-SampZInt: Use Data (in lists) or Stats with sample means and , sample sizes n1 , and n2

Confidence interval for population

mean

Confidence interval for difference

between population means from

two independent samples

1-PropZInt: Specify number of successes x in the sample, and sample of size n

2-PropZInt: Specify numbers of successes, and for samples of size n1 , and n2

Confidence interval for population

proportion p

Confidence interval for difference

between population proportions

from two independent samples

For t distribution(s)

TInterval: Use Data (in a list) or Stats with sample standard deviation SX sample mean

, sample size n

2-SampTInt: Use Data (in lists) or Stats with

sample standard deviations and ,

sample means and , for samples of size n1, and n2

Confidence interval for population mean

Confidence interval for difference between population means from

two independent samples

Hypothesis Testing

Key Strokes

STAT

(to TESTS)

Option 1:

Option 3: Option 5: Option 6:

Option 2: Option 4:

What to Enter

Returns

For normal distribution(s)

Z-Test: Use Data (in a list) or Stats with population mean populationfor null hypothesis)sample mean and sample size

n 2-SampZTest: Use Data (in lists) or Stats

with population means population (for null hypothesis) sample means and and samples sizes

n1 and n2 1-PropZTest: Specify population proportion p0, "number of successes" x in the sample ,

and sample size n

2-PropZTest: the number of successes

and in the samples and the sample sizes

n1, and n2

Tests alternate hypothesis that

>or orporp porp1or or ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download