Confidence Interval for Population Mean by Hand. Includes 95% and 99% intervals.

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This video explains "why" things in this formula are the way they are.
Timestamps below:

00:24 Review of CI for Population Proportion
02:28 CI For Population Mean Formula
07:21 Need to use a T-distribution!
09:30 Finding the Degrees of Free (Which t-distribution do we use?)
10:31 Using invt() to find Percentiles of a t-distribution

12:04 Doing Section 9.2 #35
12:55 X-bar is a "point estimate" of the Population Mean
15:57 Calculating a 95% Interval
17:08 Calculating a 99% Interval
19:05 Interpreting the Invertal
  1. Sulock Math
  2. confidence interval
  3. population mean
  4. estimate
  5. statistics
  6. 95% confidence interval
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This video explains "why" things in this formula are the way they are.
Timestamps below:


00:24 Review of CI for Population Proportion
02:28 CI For Population Mean Formula
07:21 Need to use a T-distribution!
09:30 Finding the Degrees of Free (Which t-distribution do we use?)
10:31 Using invt() to find Percentiles of a t-distribution


12:04 Doing Section 9.2 #35
12:55 X-bar is a "point estimate" of the Population Mean
15:57 Calculating a 95% Interval
17:08 Calculating a 99% Interval
19:05 Interpreting the Invertal

SulockMath