In a forensic study of the relation between time since death (hrs) and the thigh temperature in deer (F), a regression analysis of y = time since death on x = thigh temperature was performed. From their examination of the data the investigators felt that the assumptions of the linear regression model were satisfied. Summary quantities from this analysis yield: 
a) Calculate the estimated standard deviation of a + bx* for x* = 80.
b) For what value x* is the estimated standard deviation of a + bx* smallest, and why?
Definitions:
Racial Groups
Categories of people identified by shared physical or social qualities into groups considered by society to be distinct.
Intergroup Conflict
Disputes or hostilities between different groups, often arising from competition for resources, differences in values, or social status.
Outgroup
A social group to which an individual does not identify or belong, often viewed with prejudice or hostility.
Discontinuity Effect
The phenomenon where groups exhibit more competitiveness and less cooperation than individuals when negotiating.
Q2: The mean is the middle value of
Q3: For tests of hypotheses about μ, β
Q10: In the following statement, the word Private
Q10: Experimental studies utilize blinding to prevent researchers
Q13: While playing Monopoly, Andi estimated the probabilities
Q14: Peerless believes that its sales next year
Q21: A wide variety of oak trees grow
Q29: In using the percentage of sales forecasting
Q54: Maher purchased 100 shares of Chill Pill
Q83: An increase in the average collection period