Name: _SOLUTION_
MAT 220 Advanced Statistics
Test 3 (Take Home)
Fall 2014
Due Date
This test is due at 11:59 PM, on Wed., October 22. Late submissions will incur a 10% per day penalty.
Academic Integrity
By signing below, you acknowledge that all solution

Name: _SOLUTION_
MAT 220 Advanced Statistics
Test 1 (Take Home)
Fall 2014
Due Date
This test is due at 11:59 PM, on Sunday, September 14. Late submissions will incur a 10% per day
penalty and will not be accepted after Wednesday, September 17.
Academic In

Part 1
1.
a. There appears to be a moderate to strong, positive linear relation between the drop pressure
and flow rate.
b. yi=1x1 + 0
y= 0.09439x 0.112
1= the slope, the residual multiplied by the standard deviation of flow rate divided by the
standard d

MAT-220-W01 Blackboard Assignment Solution (2014FA)
Section 15.5 - Inferences about the Difference between Two Medians with Independent
Samples: Applying the Concepts
Exercise 15.5.14
Step 1:
vs.
where
is the median amount of potassium (mg/L) in rainwater

1.
a.) There are two factors, Amount of Antimony and Cooling Method, that have four levels for
antimony (0, 3, 5, 10) and four levels for cooling method (WQ, OQ, AB, FC). There are four treatments
antimony levels 0, 3, 5, 10. There are three replications

MAT-220-W01 Blackboard Assignment Solution (2014FA)
Section 15.4 - Inferences about the Difference between Two Medians with Dependent Samples:
Applying the Concepts
Exercise 15.4.14
Step 1:
vs.
where
is the median of the differences and
.
Step 2:
As state

MAT-220-W01 Blackboard Assignment Solution (2014FA)
Section 15.3 - Inferences about Measures of Central Tendency: Applying the Concepts
Exercise 15.3.12
Step 1:
vs.
where
is the median number of miles on 3-year-old Chevrolet Impalas in the St. Louis, Miss

MAT-220-W01 Blackboard Assignment Solution (2014FA)
Section 9.5 Estimating with Bootstrapping: Applying the Concepts
Exercise 9.5.8
a. From the boxplot(s) of the data, we see that the distribution of the observed salaries is skewed right
and two potential

Name: _SOLUTION_
MAT 220 Advanced Statistics
Test 4 (In Class)
Fall 2014
Instructions
Write your answers directly on this assessment, in the appropriate space provided with each
question. Should additional space be needed, use the blank page(s) appended a

Name: _
MAT 220 Advanced Statistics
Test 5 (Take Home)
Fall 2014
Due Date
This test is due at 11:59 PM, on Thursday, December 4. Late submissions will incur a 10% per day
penalty.
Academic Integrity
By signing below, you acknowledge that all solutions (wo

Name: _
MAT 220 Advanced Statistics
Test 4 (Take Home)
Fall 2014
Due Date
This test is due at 11:59 PM, on Wednesday, November 12. Late submissions will incur a 10% per day
penalty.
Academic Integrity
By signing below, you acknowledge that all solutions (

Name: _SOLUTION_
MAT 220 Advanced Statistics
Test 2 (In Class)
Fall 2014
Instructions
Write your answers directly on this assessment, in the appropriate space provided with each
question. Should additional space be needed, use the blank page(s) appended a

Name: _
MAT 220 Advanced Statistics
Test 2 (Take Home)
Fall 2014
Due Date
This test is due at 11:59 PM, on Wed., October 1. Late submissions will incur a 10% per day penalty.
Academic Integrity
By signing below, you acknowledge that all solutions (work) i

MAT 220 Advanced Statistics
Final Exam Review
Fall 2014
Outline/Instructions
The final exam is scheduled for Wednesday, December 10 or Thursday, December 11, 2014 in the
Distance Education Testing Center. Should you have conflict with either of those days

Name: _
MAT 220 Advanced Statistics
Extra Credit Project 1
Fall 2014
Due Date
This test is due at 11:59 PM, on Sun., December 7. Late submissions will incur a 10% per day penalty.
Academic Integrity
By signing below, you acknowledge that all solutions (wo

15.5.14- By-Hand Approach
Step 1
Step 2
H0: MLC=MCC
H1:MLCMCC
Step 3
S=504.5
T=504.5-22(22+1)/2=251.5
2220 ( 22+20+21 )
( 12)
Z0=(251.5-(22*20)/2)/
Z0=.7933
= .05 Z /2=1.96
Z0=.7933< Z /2=1.96
Step 4
Because Z0=.7933 is less than Z /2=1.96 we do not reje

15.4.14
Step 1.
Step 2.
Step 3.
Step 4.
H0: MD=0
H1: MD>0
Level of significance is =0.05
Because the P-Value is less than the level of significance we reject the null.
Step 5.
There is sufficient evidence to conclude that the median hemoglobin conclude up

Extra Credit Problem 1
a.
The largest standard deviation (1.005) is greater than two times that of the smallest (0.028)
b. The two requirements for the Kruskal-Wallis Test are
1. The samples are independent random samples.
2. The data can be ranked.
The s

1.
2.
3.
5.
6.
9.
a. A person, item, or defined object that a treatment is applied to.
b. Any combination of values of explanatory variables.
c. Quantitative or qualitative variable that is give as a response after a treatment.
d. An uncontrolled variable