Answer all questions

$1.$ Decision$-$driven data analytics is based on $\_\_\_\_\_\_\_\_\_\_\_\_\_.$Group of answer choicesA. prioritization of decision makingB. purely on data analysisC. purely on accumulated experience in the subconscious part of the brainD. None of these

$2.$ Which of the following is NOT true about data science?Group of answer choicesA. It supports all analytical decision makingB. It is driven by Data EngineeringC. It involves processes, principles and techniques for understanding the underlying phenomena through a thorough analysisD. None of these

$3.$ In which of the following case the availability of data higher?Group of answer choicesA. StructuredB. It is the same in structured and unstructured caseC. Unstructured D$.$ None of these

$4.$ Which of the following is NOT true for static data?$$Group of answer choicesA.It involves complex data processingB. It includes an outlierC. It includes a representational errorD. It includes many data captures

$5.$ Which of the following is NOT true?Group of answer choicesA. Behavioural data is objective typeB. Behavioural data are subjective typeC. Behavioural data are collected from customer actionsD. None of these

$6.$ Which of the following is true for attitudinal data?Group of answer choicesA. It is collected from customer actionsB. These data are objective in nature.C$.$ It is collected from customer thoughtsD. None of these

$7.$ Which of the following is NOT true?Group of answer choicesA. Behavioural data are collected from surveysB. Attitudinal data is subjective in natureC. Attitudinal data incurs additional costsD$.$ None of these

$8.$ Which of the following is true for demographic data?Group of answer choices

A$.$ These data should not be the outcome of an observation and collected solely from the participant reportB. It tells what is happening and records customers real actionsC. It analyses to understand why customers behave the way they doD. None of these

$9.$ With increased number of sensors$,$ widespread use of social media and technological advances, huge quantity of data$$is$$available$,$ when collected$$over$$a$$period of time. The volume, speed and variety of$$this huge$$data makes it impossible to collect manually. Thus,$$automatic methods of$$data$$collection is resorted to$.$ This data is normally called:$$Group of answer choicesA. Demographic dataB. Behavioural dataC. Attitudinal dataD. None of these

$10.$ For temperature measurement various scales are used, which$$amongst$$the following is a ratio scale:$$Group of answer choicesA.KelvinB. CelsiusC. FahrenheitD. All of these

$11.$ The$$Geometric Mean$$is the nth$$root of the product of the given series of n numbers. This is meaningful at$\_\_\_\_\_\_\_\_\_\_\_\_$level of data.$$Group of answer choicesA. intervalB. ordinalC. ratioD. None $$

$12.$ Which of the following is NOT common between interval and ratio scales?$$Group of answer choicesA. Absolute zero valueB. Data values are numericalC. distance between two data points are equalD. None of these$13.$ Negative values are allowed at which data level?$$Group of answer choicesA. The ratio levelB. The nominal levelC. The interval levelD. None of these

$14.$ Which level of learning is possible in a computing system?Group of answer choicesA.Concept levelB. Fact levelC. Principle levelD. None of these

$15.$ In$$the field of machine learning, the$$type of learning$$that uses$$a reward system is$\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$Group of answer choicesA.Supervised learningB. Unsupervised learning

C$.$ Reinforcement learningD. None of these

$16.$ Past data are useful for:$$Group of answer choicesA.Real$-$time warning generationB.Report generationC.Alert generationD.None of these

$17.\_\_\_\_\_\_\_\_$is an indication of$$the best$/$worst that can happen:$$Group of answer choicesA. FutureB. PresentC. PastD. None of these

$18.\_\_\_\_\_\_\_\_\_\_\_$ is an application of present data:Group of answer choicesA.ExtrapolationB.AlertsC.ReportingD.None of these.

$9.$f your model is precise, then the solution will be$\_\_\_\_\_\_\_\_.$Group of answer choicesA.Precise

B$.$ Approximate

C$.$ Independent of model

D$.$ None of these

$20.$ Which amongst the following does substantive$$expertise$$refer$$to$?$Group of answer choices

A$.$Domain knowledge

B$.$Hacking skills

C$.$Math and statistics knowledge

D$.$None of these