March 27 Statistics Project Proposal

Spring Break HW: Propose a Final Project that you will conduct…. may have up to 3 people— but 3 people should have triple the data or triple the tests

See the attached project rubric/info: Final Project Statistics

It is also on Engrade

Bring in a draft of your proposal the day we get back.

1. What is the question(s) you are trying to answer?

2. What is the population of interest?

3.  Is it an experiment, a survey or an observational study?

4. How will you collect your data?

5. How will you display your data?

6 What kind of significance test will you run?

March 26 Precalculus Systems of Equations

EQ How do I solve a system of equations

TSWBAT 2×2 and 3×3 systems using graphing, substitution and linear combination/addition/elimination methods

Act 1 Basic Skills Mini Test  PrecalcBasicSkillsMArch26

Act 2: Candy Problem

Daniel bought 1 pound of jelly beans and 2 pounds of chocolates for $2.00. A week later, he bought 4 pounds of caramels and 1 pound of jelly beans, paying $3.00. The next week, he bought 3 pounds of licorice, 1 pound of jelly beans, and 1 pound of caramels for $1.50. How much would he have to pay on his next trip to the candy store if he bought 1 pound of each of the 4 kinds of candy?

HW: TH Quiz

Graph the following piecewise function




March 26 Statistics 13.1 Two Sample Exam

EQ: How do I solve a two sample t-test

TSWBAT solve a two sample t-test

Act 1: Two Sample t-test exam—-

Data Attached Ch 12 1 Exam Data


Farmer John wants to know if a diet supplement will help his cows give more milk

1. Randomly sample 16 cows who were not given the supplement and 16 that were given the supplement from your data set. Record that data on your paper

2. Use that data to determine whether or not cows given the supplement give more milk at the 99% confidence level

3. Generate a 99% confidence interval for the difference in milk given between the two groups and interpret

4. Make a table explaining Type I and Type II errors for decisions Farmer John could make from this research and their consequences.


When finished: move into 13.2 reading guide, project proposals

HW:Ch 8 MC Review p 206 8.17-8.26

Online Quizzes/Project Proposals


March 25 Precalculus 3×3 Systems of Equations

EQ: How do I solve a 3×3 system of equations

TSWBAT solve a 3×3 system of equations using methods of addition/combination/elimination

Act 1:

C4U Quiz 3/25

1. Solve the system by graphing or by substitution– bonus for both

y=-2x+8   y=(x-2)^2+1

2. Solve by linear combination/addition/elimination

(No Decimal Babies)



Act 2:GOOGLE: Solving a 3×3 system of equations

Solving a 3×3 system

*** 3 by 3 System of Equation Solver

Act 3: Make your own System of Equations following Mr. Lange’s model