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dats501_2021_spring_week03_quiz

Quiz by hd

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13 questions
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  • Q1
    How many of the below provided the significant ground for the broad use of analytics in business rather than being the outcome of it? i. Increase in data generation ii. Widespread data science education in universities iii. New machine learning models iv. Increase in computational power
    1
    3
    2
    4
    60s
  • Q2
    i. Strategic decisions: These decisions define the organization’s overall goals and aspirations for the future ii. Tactical decisions: Concern how the organization should achieve the goals and objectives set by its strategy iii. Operational decisions: Affect how the firm is run day by day iv. Contingency decisions: Decisions that deal with the changing environment or unexpected events Using analytics for which of the above is a stronger sign that a company is "data-driven"?
    Tactical decisions
    Contingency decisions
    Operational decisions
    Strategic decisions
    120s
  • Q3
    i. The company's business traditions ii. Executive's Intuitions iii. Rules of thumb in the sector iv. Using the relevant data available Common approaches to making decisions are listed above. Which of them are best to be used for a company to excel in its operations?
    ii, iv
    i, ii, iii, iv
    iii
    iv.
    60s
  • Q4
    Data dashboards are a part of ....
    Optimization
    Descriptive analytics
    Prescriptive analytics
    Predictive analytics
    60s
  • Q5
    Forecasting the state of the weather for tomorrow as rainy or notRainy is part of....
    Predictive Analytics
    Prescriptive Analytics
    Diagnostic Analytics
    Descriptive Analytics
    60s
  • Q6
    Which of the data type definition for an insurance company which uses a single powerful 512 gigabyte RAM 48-core server for its analytics operations
    Medium data
    Small data
    Big data
    none
    60s
  • Q7
    Complete the conversation between the two students (Keanu Reeves and Carrie-Anne Moss) with the best answer: K: I used to think correlation implied causation. Then I took a statistics class. Now I don't CA: Sounds like the class helped K: ....
    Not really, I just changed my mind
    Definitely, it helped
    Yeah, the professor is convincing
    Well, maybe
    120s
  • Q8
    How many of the below are valid data analytics fields? i. Financial ii. HR iii. Marketing iv. Healthcare v. Supply chain vi. Government vii. Non-profit viii. Sports ix. Gaming
    9
    8
    7
    6
    60s
  • Q9
    Forecasting the weather temperature values uses
    Numerical target
    Ordinal target
    Categorical target
    Nominal target
    60s
  • Q10
    Which of the below is not a measure of variability?
    range
    coefficient of variation
    mode
    standard deviation
    60s
  • Q11
    What is the result of the below code? x = 10 y = 15 x = x + 1 z = y - x z = Y +1 z = x + 1 z
    error
    16
    11
    4
    60s
  • Q12
    Which of the below is a valid python statement?
    print("Hello World")
    printf("Hello World")
    prind("Hello World")
    sprintf("Hello World")
    60s
  • Q13
    h_1 = 1.60; w_1 = 73; h_2 = 1.74; w_2 = XXXX; BMI_1 = w_1 / ( h_1 * h_1 ); BMI_2 = w_2 / ( h_2 * h_2 ); Which of the below XXXX satisfies the above BMI_1 = BMI_2 condition?
    86
    83
    80
    89
    300s

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