Compare the different types of random sampling methods. Describe
an example in which stratified sampling and cluster sampling should
be used. Do not cite examples already provided by peers. In replies
to peers, provide analysis and recommendations.
Check the types of sampling methods that should be used in order
to draw conclusions about a population at large from what we know
about a sample we collected.
Convenience Sample
Voluntary Sample
Random Sample
A research reports a comparison of 2 methods for predicting the
strength of 9 different types of steel. The following table shows
the results of this research. a) We wish to determine whether there
is any difference in the predicted mean strength for the two
methods at 1% alpha level. b) Solve part (a) by Minitab and report
the results.
Steel type
Method 1
Method 2
1
1.186
1.061
2
1.151
0.992
3
1.322
1.063
4
1.339
1.062
5
1.2...
If
different methods are used, can it be decrease live load?
If
different methods are used, can it be decrease live load?
i dont have to much time ple help