• Study guide

    Posted by David Rau on 3/11/2019
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  • 3/4-3/8

    Posted by David Rau on 3/4/2019

    3/4

    Today we discussed the conditions needed to compare two means. 

    Notes

    2 khans

     

    3/5

    Today we worked on the particulars of computing tests about two means

    Notes

    4 khans

     

     

    3/6

    Today was a work day due to the SAT

     

    3/7-3/8: 

    Today was a work day, Khan or Study guide on the ideas behind comparing two groups

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  • 2/25-3/1

    Posted by David Rau on 2/25/2019

    2/25

    Today we looked at one past FRQ involving a two prop Z test

    Notes

     

    2/26

    Today we looked at one more forming of the test statistic in the 2 prop Z tests

    Notes

     

    2/27 Study guide work day for 2prop Z data

    SG 1  ---> answers

    SG 2 ---> don't worry about #7, it's too nit picky for my taste

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  • 2/19-2/22

    Posted by David Rau on 2/19/2019

    2/19

    Today we talked about the conditions needed for a two proportion interval comparison

    Notes

    1 khan, and 1 big unit review

     

    2/20

    Today we discussed creating a 2-PropZ interval

    2propinterval notes

    1 khan, 2 prop confidence interval

     

     

     

    2/21-2/22

    Today we discussed how to write, conclude, and determine Z test stats for two proportion comparisons. 

    Notes

    3 Khan's

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  • 2/11-2/15

    Posted by David Rau on 2/11/2019

    2/11

    Today we disucssed how to conclude tests based on p-values and alpha.

    As well as walked through an entire problem from start to finish 

    Class Notes

    Example

     

    2/12

    Today we talked about mean testing, when to use z or t, and calculating a t stat for means

    Notes

    3 khans

     

    2/13

    Today we discussed finding p-values with t-stats and concluding t-tests

    Notes

    EXTRA PRACTICE ANSWERS

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  • 2/4-2/9

    Posted by David Rau on 2/4/2019

    2/4

    Today we learned to identify null and alternative hypotheses and their type I and type II errors

    Hypothesis intro

    CW: 2 Khans

     

    2/5

    Today we learned about P-values and Alpha

    Notes

    1 Khan

     

    2/6

    Today we discussed power and z tests for proportions

    Power and ZTests

     

    2/7-2/8

    Today we discussed calculating the z-value of a proportion test statistics

    Notes

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  • 1/28-2/1

    Posted by David Rau on 1/28/2019

    1/28

    Today was a study guide work day. 

    We Have Two guides

    Sampling Distributions

    Confidence Study Guide

    Complete Sampling Intervals by tomorrow Tuesday 1.29

     

    Sampling Filled

    Confidence Filled

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  • 2012 1-13

    Posted by David Rau on 1/24/2019
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  • 1/22-1/25

    Posted by David Rau on 1/21/2019

    1/22

    Today we talked about determining sample sizes for mean confidence intervals

    Notes

     

    1/23

    Today was a Khan workday to review all material about mean confidence intervals.

    There were also two unit tests to practice the material from the unit so far

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  • 1/14-1/18

    Posted by David Rau on 1/13/2019

    1/14

    Today we focused on accurately finding Z-values to use for proportion intervals. 

    Notes

    2 Khan Assignments 

     

    1/15

    Today we created confidence intervals for sample proportions

    Proportion CI's

     1 Khan

     

    1/16

    Today we found how to find the number needed to sample to guarantee a certain margin of error. 

    Margin of Error and sample size for proportions

     

    1/17-1/18

    Today we learned how to create an inference for a population mean 

    Confidence intervals for means

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