MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Can you please help me on 7 and 8?
xODRIRd
O causation
O correlation
7. The California Department of State Police keeps track of the number of points received for various treffic violations by drivers. The department is interested in examining the relationship between the number of points
received and the insurance premium. Some information on the point category and the insurance premium category is given below:
Point category
Insurance premium
category
Medium
High
Low
Cheap
Medium
12%
29%
59%
38%
33%
29%
50%
27%
23%
Expensive
Which distribution is displayed in the above table?
O The joint distribution of premium category and point category
O The marginal distribution of point category
O The conditional distribution of premium category given point category
O The conditional distribution of point category given premium category
8. The 94 students in a statistics class are categorized by gender and by the year in school, The numbers obtained are displayed below:
Year in school
Gender
Freshman Sophomore Junior
17
Senior
Graduate
Total
31
Male
1
2
Female
23
17
13
7
63
94
Total
24
19
22
24
5
What proportion of the statistics students in this class are sophomores?
O 0.105
O 0.202
O 0.302
O 19
9. The 94 students in a statistics class are categorized by gender and by the year in school. The numbers obtained are displayed below:
Year in school
Remaining: 19:59 Start: 11:33 PM
Save
Submit
P Type here to search
后
11:39 PM
16
ENG
2/15/2021
DII
4x
PgUp
PoDn
PrtScn
Home
End
%
5
E
近
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Transcribed Image Text:xODRIRd O causation O correlation 7. The California Department of State Police keeps track of the number of points received for various treffic violations by drivers. The department is interested in examining the relationship between the number of points received and the insurance premium. Some information on the point category and the insurance premium category is given below: Point category Insurance premium category Medium High Low Cheap Medium 12% 29% 59% 38% 33% 29% 50% 27% 23% Expensive Which distribution is displayed in the above table? O The joint distribution of premium category and point category O The marginal distribution of point category O The conditional distribution of premium category given point category O The conditional distribution of point category given premium category 8. The 94 students in a statistics class are categorized by gender and by the year in school, The numbers obtained are displayed below: Year in school Gender Freshman Sophomore Junior 17 Senior Graduate Total 31 Male 1 2 Female 23 17 13 7 63 94 Total 24 19 22 24 5 What proportion of the statistics students in this class are sophomores? O 0.105 O 0.202 O 0.302 O 19 9. The 94 students in a statistics class are categorized by gender and by the year in school. The numbers obtained are displayed below: Year in school Remaining: 19:59 Start: 11:33 PM Save Submit P Type here to search 后 11:39 PM 16 ENG 2/15/2021 DII 4x PgUp PoDn PrtScn Home End % 5 E 近
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