Calculate the Mean, Median and Mode of the following data set for each column. You should have separate mean, median and mode for each column AG
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There are four (4) problems in this sixth (6^{th}) Quiz. Problems 1 and 2 are worth 40 points each, for a total of 80 points for the two problems. Problems 3 and 4 are worth 10 points each, for a total of 20 points. Quiz total is 100 points. Please use a keyboard or editor where possible.
1. Calculate the Mean, Median and Mode of the following data set for each column. You should have separate mean, median and mode for each column AG:
A 
B 
C 
D 
E 
F 
G 
18 
10 
28 
91 
112 
255 
52 
13 
9 
28 
89 
106 
245 
42 
16 
5 
19 
81 
111 
252 
51 
14 
6 
20 
81 
107 
252 
51 
14 
6 
21 
87 
110 
248 
43 

6 
22 
83 
108 
248 
43 



83 
109 
248 
43 




109 
249 
50 





249 
49 






46 







2. University of Maryland has 5 separate colleges located in and around the Washington Beltway. They wish to know the average SAT score of the first year students enrolled at the University. The Mean and Enrollment for each of the colleges are presented below. Find the mean SAT score for the entire sample:
College 
1 
2 
3 
4 
5 
Mean Score 
509.70 
489.33 
516.89 
503.44 
519.76 
Enrollment 
225 
180 
211 
162 
195 
3. Please answer the following multiple choice questions about the table as presented
X 
A 
B 
C 

5 
6 
12 
7 

4 
13 
14 
9 

3 
11 
6 
3 

2 
7 
2 
7 

1 
2 
1 
6 

a: 
Each group has the same 

i 
number 

ii 
mean 

iii 
median 

iv 
mode 


v 
skew 

b: 
The distribution of scores for B is 

i 
symmetrical 

ii 
normal 

iii 
positively skewed 

iv 
negatively skewed 


v 
none of the above 
4. A distribution score yields a mean of 40, median of 38 and mode of 36.
a. What would median be if we add 12 points to each score
i. 40
ii. 42
iii. 50
iv. 52
b. What is the new mean (adding 12 points to each score)?
i. 40
ii. 42
iii. 50
iv. 52