• 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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  • 1/7-1/11

    Posted by David Rau on 1/6/2019

    1/7

    Today we studied how to find a normally distributed sample distribution from any type of distribution.

    Notes

    2 Khan's: Conditions for normal distributions

     

    1/8

    NormalCDF with means and prop.s

     

    2 Khan's: probability with sample means, probability with sample proportions

     

     

    1/10-1/11

    Confidence interval intro

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  • 1/3-1/4

    Posted by David Rau on 1/3/2019

    1/3-1/4

    Today we introduced sampling and ways of finding sample means and proportions

    Notes

    Khan: Bias in Sampling, Sample Means, Sample Proportions

    Comments (-1)