Lecture Notes: Language and Evolution
Edward Stabler
January 11, 2007
The study of evolution and language provides a unique opportunity for carefully examining basic questions about evolution, language, and the kinds of explanations available for sources
Lecture 5
Hypothesis Testing
A hypothesis is a conjecture about the distribution of some random
variables. For example, a claim about the value of a parameter of
the statistical model.
There are two types of hypotheses:
The null hypothesis,
, is the curre
M ETH OD STUDY
AN ALYSIS OF
VIDEO
Presented by
Group 1
Roll. No. 6 to 91
1
Observe the video in which two persons are drilling
holes on a part of unfinished chair
Carry out a method study
Suggest improvement options
Evaluate each option
08/09/14
2
S
The power of a statistical test
The power of a signicance test measures its ability
to detect an alternative hypothesis.
The power against a specic alternative is calculated
as the probability that the test will reject H0 when
that specic alternative is t
Petter Mostad
Mathematical Statistics
Chalmers
MSA830 Statistical analysis and experimental design
Exam 4 June 2010
Examiner: Petter Mostad, phone 0707163235,
visits the exam at 9.30 and at 11.30.
Allowed to use during the exam: Pocket calculator, books,
It was bright sunny Sunday morning & Ravi was having cup of coffee with his better half.
Suddenly his phone rangcurious to know who it can beravi picks up the phoneoh
no.not again ! Ravi exactly knew what the call was about! Same running around for New
pr