Spring Semester Weeks 7-12


BIVARIATE

BIVARIATE A

CI Mean


PROFESSIONAL SAMPLE SURVEY TERMS

Sampling Vocabulary

Stat Trek Survey Sampling Source: stattrek.c0m

Additional Survey Terms  Source: sciencebuddies.org


REVIEW SPRING MIDTERM #1 MATHEMATICAL MODELING



Spring Midterm #2 (Will be spread out over next four weeks)


Section #1 Mathematical Modeling (Tuesday, March 10)


Section #1 Inference

PRACTICE PROBLEMS:  These problems will serve as practice to prepare for the first Spring Midterm.  Two problems will be assigned each night for homework, the first set of two is due on Tuesday 1/29.  

Inference Practice Problems

A1 & B1 Excel Answer       A1 PDF     A1 Graph PDF   B1 PDF    B1 Graph PDF

C1 Excel Answer          C1 PDF          C1 Graph PDF

A2 Excel Answer        A2 PDF

B2 Excel Answer        B2 PDF

C2 Excel Answer        C2 PDF

 A3 Excel Answer          A3 PDF

B3 Excel Answer          B3 PDF

C3 Excel Answer      C3 PDF

A4 Excel Answer         A4 PDF      A4 Graph PDF

B4 Excel Answer          B4 PDF      B4 Graph PDF

C4 Excel Answer          C4 PDF     C4 Graph PDF


Section #3 Big Data Chapters Eight, Nine & Ten


Section #4 Sampling Survey Vocabulary

Here's the vocabulary list.

 

Section #5 Mathematical Modeling (Periods 2, 3 & 4)

Be prepared to forecast for partial periods.  Unlike the first Spring midterm, the second midterm will not limit itself to partial periods ending in .25, .50,.75. 

Linear         Exponential         Logarithmic       Quadratic      Power

Practice Tests #1A, #1B, #2A, #2B

FRED Data For Wednesday Practice

MORE FRED Data For Wednesday Practice


Section #5 Normal  Probability Distributions: Population & Sampling

Normal Probability Practice Test

Normal Probability Test Annotated Answers (Excel) 

Normal Probability Test Annotated Answers (PDF)










INFERENCE INSTRUCTION

Confidence Interval  Means Form  (PDF)

Confidence Interval  for Proportions Form (PDF)


Tests of Significance Initial Questions for Means & Proportions

Test of Significance One Sample Mean Form

Test of Significance One Sample Proportion Form

Tests of Significance INSTRUCTION Means & Proportions (Excel Worksheets)


Worksheet PDFs For One Sample, Means Tests Instruction 

Before Starting       Null & Alternate Hypotheses       Inference Conditions       Four Step Write-up


Worksheet PDFs For One Sample, Proportions Tests Instruction 

Before Starting       Null & Alternate Hypotheses       Inference Conditions       Four Step Write-up









INFERENCE PRACTICE PROBLEMS & SOLUTIONS

Aquatics Paints & Presidential Polling

Solutions For #A1 & #B1 Excel File 


EXCEL FILES FOR INFERENCE FORMS

© Andrew Nelson 2012