STAT 20 Lecture Notes - Lecture 40: Simple Random Sample, Null Hypothesis, 2Degrees
34
STAT 20 Full Course Notes
Verified Note
34 documents
Document Summary
Examineone year national average msat is 519 513110 in ca that year. Srs of300students avg504 sd l 00 does ca have a lower avg than nation or can this beexpainedby chance. Nullhypothesis a results can be explained bychance b ca avg msa1 519. Alternative hypothesis a notjust due to chance b caavgmsa1 519. Using the bootstrap method the se of the box model is. Conclusion a reject null at level does not look like chance. If 8d of population is kno wn it. If not use sample sd bootstrap method or implied by null hypothesis use. Chapter 26 section6 one sample t test whe. nl se. 10usd data is like draws from a box measurement true value 1 measurementerrors boors draws e 25. 4 content of the box roughly normal the box is unknowhi suggestion check avg1 2sdrin the range of the possible values is. 2 degrees of use t table t test w f t freedom.
