Question 8What is an error rating?1 pointIt defines a score between zero and four to indicate how easily the violation may be fixed.It’s a score of how badly the item lines up with a heuristic.

Question 7What is a severity rating in a heuristic evaluation?1 pointIt defines a score between zero and four to indicate how much it violates a heuristic.It’s a score of how well the item lines up with a heuristic.

Which of the following errors means consistently rating someone higher than is deserved?Question 9Answera.halo errorb.spillover errorc.central tendency errord.leniency errore.recency error

Which exception raised in case of failure of attribute reference or assignment?*0 pointsAttributeErrorEOFErrorImportErrorAssertionError

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (–2) marks are awarded for every incorrect answer and 0 for each question not attempted. Ravi gets 4 correct and 6 incorrect answer. What is his score? a) 8 b) 12  c) 14 d) 16

Question 1What does the test statistic tell you? 1 pointIt indicates how many standard errors a point estimate lies from the expected null hypothesis population value.It's another word for the p-value.It indicates whether you should use z- or t-distribution to calculate probability.Itindicates how far from the actual population value your sample mean lies.