Uuestlon '1
1. Given the setting ot this exercise what would be the appropriate Ho and Ha
Selected Answer: 0 A. Ho: Bl = D vs. Ha:Bl > 0
Correct Answer". 0 A. Ho: Bl = D vs. Ha:Bl > U
Question 2
2.
Question 1
If the sample size n is large enough, then which of the following statement istrue?
Selected Answer. The sampling distribution will be approximately normal regardless of the shape of the po
Question 4 10 out M10 points
It the we increase the sample size,
Selected Answen the standard deviation oi SAMPLING distribution decreases.
Question 5 10 out M10 points
This computer assignment 6 pr
5. The pvalue tor the overall t of the regression model and for the signicance test for Ination were the same because
Selected Answen o A. There is only one variable in the regression model
Correct An
Sel
Question 3
ll IUUE'b
acted Answen
According to the freq ue ntv table we got in this assignment asfollows, which of the statement istrue?
The probability model h as an obvious normal distribution.
IDS 270Business Statistics I
Class Hours: MWF 10:00-11:40 am
Office Hours: By Appointment
Email Address: [email protected]
(email is the best way to contact me)
Evaluation:
Midterm Exam
Final
Homework
C
Computer Exercise 4
MS Office Excel 2007
Computer Exercise 4 Overview
Pull 100 samples of size 25 from a normal distribution with population
mean=10 and standard deviation=2
Calculate the 95% confiden
Foghorn: Mechanics
The calculated Z value was -.67
The resulting p-value was .7486
So not reject Ho
Foghorn: Extra Teaching Point
Q What are we trying to do in this problem?
A Decide whether the