Systolic blood pressure of randomly selected HMO patients was recorded on a particular Wednesday,with the results shown here.An ANOVA test was performed using these data. 
What are the degrees of freedom for the error sum of squares?
Definitions:
Easy Rider
A 1969 American road film that became a symbol of freedom and the counterculture of the 1960s, directed by Dennis Hopper and starring Peter Fonda and Dennis Hopper.
Sit-in
A form of protest where individuals occupy an area, refusing to leave as a way to demand attention to a cause or injustice.
Assassination
The act of killing a prominent individual, often for political or ideological reasons.
Public Image
The perception or reputation of an individual, organization, or brand as seen by the public.
Q2: Sound levels are measured at random moments
Q3: What are the degrees of freedom for
Q22: Other things being equal,a large population standard
Q28: On the basis of a survey of
Q28: The figure shows a standard normal N(0,1)distribution.Find
Q59: As the sample size increases,the standard error
Q66: _ is the variable in an experiment
Q73: Refer to the following partial ANOVA results
Q93: A new policy of "flex hours" is
Q96: A sample is taken and a confidence