Question 2
Part B (Multiple Select Questions): Each question has four choices, out of which one or more than one is/are the correct answer.(8×4=32 marks)
1. Refer to the image given below and select the correct statements with respect to the edge detection mechanism of a human eye.
A. Increased eye activity at A and E
B. Increased eye activity at B and D
C. Decreased eye activity at A and C
D. Increased eye activity at C and E
2. Which of the following is/are true for mode, as a measure of central tendencies?
A. It is the most commonly used descriptive statistic.
B. It can be applied to non-numeric values.
C. It is the measure of how dispersed the data are from their mean.
D. It is the value that appears most often in a data set.
3. Which of the following statements is/are correct with respect to how a human eye detects information?
A. Our visual system constructs surface colour based largely on edge contrast information. B. Our visual system sees absolute values and is therefore attracted to edges.
C. We have higher contrast sensitivity in the chrominance than in the luminance channel. D. Our visual system corrects (misreads) information based on perceived visual properties 4. Consider the nature of the following variables; which are more likely to represent nominal data? (Select all that apply)
A. Survey participants' ages
B. Smartphone brands used by individuals
C. Movie critics' ratings
D. Mathematics competition scores
5. Which of the following gestalt principles are used in the figure given below?
A. Common Fate
B. Proximity
C. Closure
D. Symmetry
E. Figure and Ground
6. Select all the options that accurately describe aspects related to collider bias in data and analysis.
A) It occurs when the selection of data points is influenced by a common effect.
B) Collider bias can distort the relationship between variables in a dataset.
C) It is more likely to occur in randomized controlled trials.
D) Correcting for collider bias involves adjusting the analysis to account for the common effect. 7. Which of the following principles align with Tufte's emphasis on "chartjunk" avoidance? A. Incorporating detailed annotations
B. Reducing redundant decorations
C. Using complex color schemes
D. Including gridlines based on the data's needs
8. In a comprehensive study into the career trajectories of individuals, which practices might inadvertently introduce survivorship bias? (Select all that apply)
A. Analyzing data exclusively from individuals who have achieved notable success.
B. Considering data solely from individuals who have encountered significant setbacks. C. Omitting information about individuals who withdrew or left the study prematurely. D. Concentrating solely on immediate, short-term career outcomes.
I have written answers on the answer sheets
Not applicable