DA

Data analytics helps you analyze the data you have.

• False

• True

"What should you do" represents ?

• Descriptive Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

"What happened" represents ?

• Descriptive Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

'Customer Segmentation Based on Which Segment would likely to purchase' represents

• Descriptive Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

'Making Decisions ' represents

• Descriptive Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

'Investigating the Reason for the Low income ' represents

• Descriptive Analysis

• Diagnostic Analysis

• Predictive Analysis

• Prescriptive Analysis

Learning analytics is defined as...

• Formative Assessment Data

• The big data accumulated from an online course

• Summative Assessment Data

The nature of variables defined by the random variable associated with an experiment to count “the number of students of a particular gender in each room of a school” is

• discrete.

• continuous.

• sometimes discrete and sometimes continuous.

• not clear as the information is inadequate.

An examination declares a candidate to be admitted if the marks obtained are in the top 20 percentile. Following four candidates obtained following scores. Candidate 1:73, Candidate 2:85, Candidate 3:80, and Candidate 4: 78. Which of them will appear in the examination.

• Candidates 1,2,3 and 4.

• Candidates 2,3 and 4.

• Candidates 2 and 3.

• Candidates 3 and 4.

The number of hours in which the fever of 10 patients remain in control after administrating the medicine are recorded as follows: 10, 9, 8, 12, 11, 13, 9, 10, 7, 8. Which of the following is the correct command to obtain the harmonic mean of this data in R?

• length(c(10,9,8,12,11,13,9,10,7,8))/mean(1/c(10,9,8,12,11,13,9, 10,7,8))

• length(c(10,9,8,12,11,13,9,10,7,8))/(1/mean(c(10,9,8,12,11,13, 9,10,7,8)))

• 1/mean(1/(10,9,8,12,11,13,9,10,7,8))

• 1/mean(1/c(10,9,8,12,11,13,9,10,7,8))