Name: _________________
BADM 350 Section _________________
Quiz 1 - Jan 31 (6 points)
1. For two movies: Ice age and Fallout, predict the ratings. Use only last two rows of the similarity
matrix since the first three ratings already exist (no need to predict).
2 points
Ratings
Matrix
Notebook
100
Ice age
Fallout
Matrix
1
0.2
0.1
0.6
0.4
3
Notebook
0.2
1
0.3
0.6
0.2
2
100
0.1
0.3
1
0.8
0.7
5
Ice age
0.6
0.6
0.8
1
0.3
Predict
Fallout
0.4
0.2
0.7
0.3
1
Predict
Answer: 1.8 + 1.2 + 4.0 = 7.0 for Ice age
1.2 + 0.4 + 3.5 = 5.1 for Fallout
If student shows any work, give them full 2 points.
2. Rate at which customers leave a product or service is called ____________________ . 1 point
Churn Rate
3. The companies like Netflix and Amazon works on which part of the sales distribution? 1 point
(a) Short end
(b) Long Tail
(c) Peak
(d) All of the above.
Long Tail (b)
4. The strategic framework that would consider the competitive advantage of IT capabilities as resource
is
1 point
(a) Resource based view
(b) Porter’s diagram
(c) Resource based competitive advantage view
(d) Market forces view
Resource based view
Name: _________________
BADM 350 Section _________________
5. Fresh direct used its IT resources for providing data based information to suppliers.
1 point
(a) True
(b) False
True
Quiz 2 – Feb 07 (5 points)
1. Find the distance between Alice and Elisa.
Alice
Age
40
Gender (Male=1, F=0)
0
Income (‘000)
60
Credit (‘0000)
6
Ans: = √402
√52 +52 +1
+602 +62 ∗√452 +652 +72
Elisa
45
0
65
7
= 0.001244
2. Lately, streaming licenses have become cheap for Netflix.
a. True
b. False
3. __________________ are the ones that connect the nodes in a network.
Answers: Edges, Arcs, Connections, links (any one is an answer).
4. _________________ is the utility that a consumer accounts for from the product in a network
because of other users in the network.
a. Network economics
b. Network margins
c. Network profits
d. Network effects
5. With respect to the platform of Uber, when any change in policy at drivers side effects
the consumer’s side, the effect is called
a. Same side effect
b. Inter-side effect
c. Cross-side effect
d. Intra-side effect
Name: _________________
BADM 350 Section _________________
Quiz 3-Feb 14, 2022
If an option combines other “correct” options, then choose the combined option as answer to get
points. No points in case you do not choose the combined correct option. For example, if an option
(c) is “Both (a) & (b)” and is correct, then only by choosing (c) you get points, not by choosing (a)
or (b) alone.
1. Products and services that encourage others to provide complementary goods are called
platforms.
a. True
b. False.
2. The business model of Macy’s with apparel manufacturers on one side competing for shelf space
at Macy’s and customers on the other side looking for a variety of apparel brands in the stores is
an example of __________________ market.
a. same-sided
b. two-sided
c. cross-sided
d. one market
3. Which one is a disadvantage for companies without ERP systems?
a. Existence of Silos within companies.
b. Non availability of data.
c. Data organized too tightly (more ordered than required).
d. Speed and agility of conducting business.
4. Resistance to change is not at all a problem associated with ERP systems.
a. True
b. False.
5. Cloud based systems provide their services through a class of software (not an example) called
____________________ software.
Virtualization software
Name: _________________
BADM 350 Section _________________
Quiz 4-Feb 21, 2022
If an option combines other “correct” options, then choose the combined option as answer to get
points. No points in case you do not choose the combined correct option. For example, if an option
(c) is “Both (a) & (b)” and is correct, then only by choosing (c) you get points, not by choosing (a)
or (b) alone.
6. What helps in prescriptive analytics?
a. Correlation analysis
b. Causation analysis.
7. Causation cares about
a. Direction in a correlation (cause → effect)
b. Missing variable
c. Both a and b.
d. Neither a nor b.
8.
_______________ help in figuring out the causation.
a. Randomized experiments/controlled experiments
b. Non-random experiments
c. Simulation
d. Interviews.
9. Which one is (are) important points pertaining to data analysis for determining causation?
(Reading slides)
a. Test response to stimuli
b. Test on individuals rather than whole customer segments
c. Measure everything that matters → Apply “What-if” thinking
d. All of the above (a, b, and c)
10. Low quality data management leads to which error(s)? (Reading slides)
a. Missing information
b. Duplicate data and records
c. Inaccurate information
d. All of the above.
Name: _________________
BADM 350 Section _________________
Quiz 5-Feb28, 2022
If an option combines other “correct” options, then choose the combined option as answer to get
points. No points in case you do not choose the combined correct option.
11. A thing (person, place, event or concept) about which an organization chooses to record data, is
called
a. Entity
b. ERD
c. Field
d. Relationship
12. How does a Primary key column connect to another table?
a. To any other column
b. To foreign key column of the other table
c. Both a and b
d. Neither a nor b.
13. What does (do) a database Maximize (from the before class reading slides)?
a. Data security
b. Data integrity
c. Data independence
d. All of the above.
14. knowledge contained in people’s heads is called _______________.
Tacit knowledge.
15. Data lakes never contain real time data.
a. True
b. False
Name: _________________
BADM 350 Section _________________