Eco 5 Name: Section Final Exam I ( 12 points ) Shown below is a portion of a computer output for a regression analysis relating supply (Y in thousands of units) and unit price (X in thousands of dollars).
Regression Residual Intercept X df 1 3
Eco 5 Spring 06 Exam # IV Multiple choice questions ( 5 points ) 1.
In a two-sample test of means for independent samples, n1 = 12 and n2 = 10. How many degrees of freedom are in the test? a. 22 b. 21 c. 20 d. none of the above In the paired
Eco 5 Spring o6 Name: Section Exam # I I. ( 16 points ).The following is a frequency distribution for the ages of a sample of employees at a local company. Age 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 Frequency 2 3 7 5 1
a. Determine the average age
Jn believes that the sales of coffee at his coffee shop depend upon the weather. He has taken a sample of 6 days. Below you are given the results of the sample. Cups of Coffee Sold 350 200 210 100 60 40 Temperature 50 60 70 80 90 100
a. Which va
Eco 5 Fall 2005 Exam III MULTIPLE CHOICE QUESTIONS ( 10 points ) In the following multiple-choice questions, circle the correct answer. 1. Parameters are a. numerical characteristics of a sample b. numerical characteristics of a population c. the ave
Eco 5 Spring 06 Name: Exam #2 Multiple Choice Questions ( 20 points ) 1. A probability distribution showing the probability of x successes in n trials, where the probability of success does not change from trial to trial, is termed a a. uniform proba