# Ti-83/84 Calculator Tutorial

Disclaimer**This tutorials were created using TI-Smart View, a Texas Instrument product.**

**You will have to allow pop-ups.**

This will help you find Mean , Median, Mode on the calculator. (Ch 3 section 1)

Use this link to see how to put data in your calculator and find the sample standard deviation and sample variance. (Ch 3 section 2)

**Calculating the mean and standard deviation for grouped data**** **

This is a video to show you how to calculate the mean and standard deviation for grouped data. (Ch 3 section3)

Use this for help in finding 5 number summaries on the calculator and constructing boxplots on the calculator. (Ch3 sec 5)

You can view this video to see an example of a scatterplot entered on the TI84 caluclator. You may need to click on the "pop up blocker " at the top of your screen when this tries to open. These tutorials do have audio. (Ch 4)

**To calculate r on the calculator**** **

Use this to calculate r and r squared on your calculator (Ch 4 sec 1)

**View entire problem with paired data**** **

1) Input data in lists, 2) Create scatterdiagram . 3)Calculate the least squares regression line,(also graph it and find predicted value) 4) calculate the correlation coefficient, 5)Calculate the coefficient of determination

**Finding sum of residuals squared**** **

This will help you with homework and quizzes. I will not ask you to calculate this on a test. (Ch 4 sec 2)

This will show you how to enter combinations and permutations on the calculator. (Ch 5 sec 5, you will see this notation in Ch 6)

This is a prob. distribution(I said frequency in the video--sorry). It will show you how to find mean, expected value, standard deviation and variance. (Ch 6 sec 1)

You can use this to put the binomials in the calculator (Ch 6 sec 2)

Click here to see how to enter Standard Normal Distributions in the calculator. (Ch 7 sec 2)

**Normal Probability Distributions**** **

Click here to get information for entering Normal Distributions in the calculator. (Ch 7 sec 3)

**Finding confidence intervals sigma known**** **

This will help you find confidence intervals when the population standard deviation is known.

Z Interval (Ch 9 sec 1)

**Confidence intervals sigma unknown**** **

Use this to find confidence intervals when the population standard deviation is not known.

T Interval (Ch 9 sec 2)

**Confidence Intervals about Pop. Proportions**** **

This will help you create confidence intervals about a population proportion. (Ch 9 sec 3)

**Hypothesis Tests for a Population Mean, Sigma known**** **

Use this to find the Z Test statistic and p-value. (Ch 10 sec 2)

**To Find t test statistic, sigma unknown**** **

This is the calculator steps that you will use when sigma is known and you want to conduct a Hypothesis test or find the p-value. (Ch 10 sec 3)

**To find z test statistic for Population proportions**** **

This should help you find the z test statistic when testing a hypothesis for a population proportion. It also computes the p-value. (Ch 10 sec 4)

**Hypothesis Test and Conf Intervals for dependent samples**** **

Here you will find how to enter the data, find the differences, then compute the test statistic, p-values, d-bar and standard deviation of the differences. You will also see how to find a confindence interval for the differences of dependent samples. (Ch 11 sec 1)

**Inference on Two means Independent Samples**** **

In this video, you will see how to enter data in the calculator and find the test statistic, p-value, and compute the confidence interval of independent samples. (Ch 11 sec 2)

**Inference about 2 pop proportions**** **

In this video, you will see how to enter in your calculator the information to find test statistics for 2 population proportions. You will also see how the calculator finds p-hat. You will see how to compute the Confidence interval for the differences between 2 pop proportions. (Ch 11 sec 3)

**Matrices and contingency tables**** **

You will be able to find expected values, test chi square values and enter matrices. (Ch 12)