SCENARIO 13-3 The director of cooperative education at a state college wants to examine the effect of cooperative education job experience on marketability in the work place.She takes a random sample of 4 students.For these 4, she finds out how many times each had a cooperative education job and how many job offers they received upon graduation.These data are presented in the table below. 
-Referring to Scenario 13-3, suppose the director of cooperative education wants to construct both a 95% confidence interval estimate and a 95% prediction interval for X = 2.The confidence interval estimate would be the wider of the two intervals.
Definitions:
Degrees of Freedom
The number of independent values or quantities that can vary in the analysis of data without violating any constraints.
Contingency Table
A chart utilized in statistics to represent the association among multiple categorical variables.
Degrees of Freedom
The number of independent values or quantities which can be freely assigned in a statistical calculation, typically influencing the shape of various distributions.
Test Statistic
A value calculated from sample data during a hypothesis test, used to decide whether to reject the null hypothesis.
Q21: Referring to Scenario 11-4, state the null
Q50: Referring to Scenario 13-13, the regression mean
Q85: Referring to Scenario 14-3, the p-value for
Q120: Referring to Scenario 14-6, the value of
Q149: Referring to Scenario 13-3, the total sum
Q149: Referring to Scenario 11-4, based on the
Q160: Referring to Scenario 14-8, the analyst wants
Q169: Referring to Scenario 12-11, the p-value of
Q172: Referring to Scenario 13-10, the mean weekly
Q176: Referring to Scenario 14-3, to test whether