Q. An analyst has gathered data also counted number of runs with respect to median. There were 60 observations also 22 runs.
Illustrate what is expected number of above/below median runs?
Illustrate what is standard deviation of above/below median runs?
Illustrate what can analyst conclude given this information?
expected number of above/below runs would be
Illustrate what is z score associated with this test?
Is there any evidence of non-random variation? Illustrate what is evidence?