# Exam

Content type
User Generated
Subject
Computer Science
School
University of the Cumberlands
Type
Homework
Rating
Showing Page:
1/6
Instructor’s name
Course
Date of submission

Showing Page:
2/6
Question 1
Arrange the data in acceding order
18, 20, 21,25,25,25,25,37,40
Close the values from both end to remain with the middle values and get the average
Therefore,


= 25 hence the median = 25
Question 2
Arrange the data in acceding order
30, 47, 59, 60, 68, 72, 72, 73, 75, 78, 79, 80, 90, 95, 100
Close the values from both end to remain with the middle value
Hence the median = 73
Question 3
Independent variable
Question 4
Modes
Question 5
Question 6
X
Y
X^2
Y^2
XY
11
49
121
2401
539
48
71
2304
5041
3408
7
75
49
5625
525
33
80
1089
6400
2640
28
92
784
8464
2576

Showing Page:
3/6

End of Preview - Want to read all 6 pages?
Access Now
Unformatted Attachment Preview
Running head: DSRT-734 1 Your name Instructor’s name Course Date of submission Running head: DSRT-734 2 Question 1 Arrange the data in acceding order 18, 20, 21,25,25,25,25,37,40 Close the values from both end to remain with the middle values and get the average Therefore, 25+25 2 = 50 2 = 25 hence the median = 25 Question 2 Arrange the data in acceding order 30, 47, 59, 60, 68, 72, 72, 73, 75, 78, 79, 80, 90, 95, 100 Close the values from both end to remain with the middle value Hence the median = 73 Question 3 Independent variable Question 4 Modes Question 5 Re-read the database Question 6 X 11 Y 49 X^2 121 Y^2 2401 XY 539 48 71 2304 5041 3408 7 75 49 5625 525 33 80 1089 6400 2640 28 92 784 8464 2576 Running head: DSRT-734 3 23 96 529 9216 2208 20 61 400 3721 1220 27 100 729 10000 2700 35 71 1225 5041 2485 26 96 676 9216 2496 TOTAL TOTAL Total Total Total X=258 Y=791 x^2=7906 y^2=65125 =20797 258 MEAN FOR X = 10 = 25.8 791 MEAN FOR Y = 10 = 79.1 𝜀𝑋𝑖𝑌𝑖−𝑛𝑋𝑀𝑒𝑎𝑛×𝑌𝑚𝑒𝑎𝑛 R =√(∈𝑥𝑖 2 −𝑛(𝑚𝑒𝑎𝑛𝑥 2) ( ∈𝑥𝑖 2 −𝑛𝑚𝑒𝑎𝑛 𝑦 2) (258×791−10(25.8×791 R= √7906−10(25.8)2(65125−10(79.1)2 R= 183670.2 3195227.2 = 0.057 Hence positive leaner correlation Question 7 Not enough information given Question 8 Paired sample design Question 9 Natural pairs Question 10 The population mean of one group is equal to ...
Purchase document to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

### Review

Anonymous
Just what I needed…Fantastic!

Studypool
4.7
Indeed
4.5
Sitejabber
4.4