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Solution 12306: Calculating One-Variable Statistics Using the TI-36X Solar.

...ay the mean: 1) Press [2nd], [ x ]. The answer is 58.33333333. To display the population standard deviation 1) Press [2nd], [sxn]. The answer is 10.67187373. To display the sample standard deviation: 1) Press [2nd], [sxn-1]. The answer is 11.69045194. Please see the TI-36X Solar guidebook for ...
https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12306

Solution 12157: Setting the Default Units for Displayed Results on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.

...ow to display the CUSTOM UNIT DEFAULTS dialog box.5) For each category highlight the default, press the right arrow, and select a unit from the list. 6) Press [ENTER] twice to save the changes and exit the MODE screen.Please Note: Many categories let users select NONE as the default unit. This me...
https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12157

From Conception to Birth Time Line

A time line showing the stages of human gestation.
https://education.ti.com/en/activity/detail/from-conception-to-birth-time-line

Predicting White Blood Counts

Students find equations, which best-fit the data, using different regression models built into their calculators. The best method of handling this data, is to break the data into sections and fit different periods of time with different equations. Using their models, they predict when the patie...
https://education.ti.com/en/activity/detail/predicting-white-blood-counts

Please Re-Leaf Me

In this activity, students examine data of carbon dioxide output in a forest. They graph the data and understand seasonal flucuations of carbon dioxide output. They make predictions about carbon dioxide output in other biomes.
https://education.ti.com/en/activity/detail/please-releaf-me

Genetic Probability

Use the SciTools App to simulate a Punnett square. Make predictions about genetic crosses. Learn about the following concepts; genes, alleles, dominant alleles, recessive alleles, homozygous individuals, heterozygous individuals, phenotypes, and genotypes.
https://education.ti.com/en/activity/detail/genetic-probability

Outbreak!

Use the DATA GRAPHS WIZARD to learn about how disease is spread. Brainstorm ways in which people can help stop an outbreak of disease.
https://education.ti.com/en/activity/detail/outbreak_1

Periodic Table

This StudyCards™ stack enables students to review the terms associated with learning and using the Periodic Table of the Elements.
https://education.ti.com/en/activity/detail/periodic-table

Outbreak!

In this activity, students simulate the spread of a virus. They produce a graph representing the spread and analyze the rates of change over time. Students compare how viral and bacterial infections spread in a population.
https://education.ti.com/en/activity/detail/outbreak

Phosphate Analysis

One method of measuring the phosphate concentration is by using a Colorimeter. This instrument measures the amount of light transmitted through a sample at a given wavelength. The amount of light absorbed is mathematically related to the concentration of the solution.
https://education.ti.com/en/activity/detail/phosphate-analysis

Setting the Trend

Students will determine the trend in atomic radius for the periodic table, the trend in first ionization energy for the periodic table, and the trend in electronegativity for the periodic table.
https://education.ti.com/en/activity/detail/setting-the-trend

Metabolic Magicians

In this activity, students understand the relationship between enzyme reaction rates and various environmental factors such as pH and temperature. They recognize the metabolic differences between endotherms and exotherms. They generate graphs by inputting reasonable data modeling enzyme activity ...
https://education.ti.com/en/activity/detail/metabolic-magicians

Percentage Composition of Methane

Participants analyze the atomic percentage composition of methane using the calculator, lists and graphs. The spatial orientation of the carbon and hydrogen atoms in the methane molecule is also analyzed.
https://education.ti.com/en/activity/detail/percentage-composition-of-methane

Kinetics

Study of chemical rates of reaction.
https://education.ti.com/en/activity/detail/kinetics

Mole Activity

This activity is intended to help students gain an understanding of the mole concept. By determining the molar mass of the element at each station, students will be able to identify the element. Students will learn that the molar mass of each element is unique and different, although the number...
https://education.ti.com/en/activity/detail/mole-activity

Science TODAY™ - Growing Bigger by the Decade

Students will examine the current and predicted population data from the countries included in the USA TODAY Snapshot® "Growing bigger by the decade".
https://education.ti.com/en/activity/detail/science-today--growing-bigger-by-the-decade

Variety is the Spice of Life

In this activity, students will collect data on all members of the class. They will make a graph of the data collected, interpret variations, and then draw conclusions.
https://education.ti.com/en/activity/detail/variety-is-the-spice-of-life

Vernier - Photosynthesis and Respiration

Students use the gas sensors to measure the amounts of oxygen and carbon dioxide consumed or produced by a plant during respiration and photosynthesis. They also determine the rate of respiration and photosynthesis in a plant.
https://education.ti.com/en/activity/detail/vernier--photosynthesis-and-respiration

Enthalpy of an Ion

Students will explore exothermic and endothermic reactions and create a classroom calorimeter to measure energy of a reaction.
https://education.ti.com/en/activity/detail/enthalpy-of-an-ion

Vernier - Photosynthesis

Students will use a Colorimeter to compare the rates of photosynthesis for plants in different light conditions. They investigate the role of chloroplasts and light on photosynthesis.
https://education.ti.com/en/activity/detail/vernier--photosynthesis

The River of Life

In this activity, students compare human body mass with blood volume. They graph the data and build a regression model. They estimate their own blood volume and also predict volumes of blood for other animals.
https://education.ti.com/en/activity/detail/the-river-of-life_1

Vernier - Microscale Acid-Base Titration

In this activity, students' will use a pH sensor to determine the change in pH during a titration of a known concentration of NaOH and unknown concentration of HCl. Students' will determine the concentration of unknown HCl.
https://education.ti.com/en/activity/detail/vernier--microscale-acidbase-titration

Science TODAY™ - The USA's Expanding Weight Problem

This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.
https://education.ti.com/en/activity/detail/science-today--the-usas-expanding-weight-problem

Gas Lab

Students determine the molecular weight of a pure gas in a balloon by using gas laws and trapping the gas in a glass bottle. Students watch the instructor demonstrate the lab on day one. On day two and three they practice the lab. On day four we discuss the lab and all the calculations. On da...
https://education.ti.com/en/activity/detail/gas-lab

Vernier - Nitrate

Student uses the Nitrate Ion-Selective Probe to measure the Nitrate ions concentration in water samples. In another method, student converts nitrate ions to nitrite and use the Vernier Colorimeter to measure nitrite and calculate the nitrate levels.
https://education.ti.com/en/activity/detail/vernier--nitrate