You are working with a small data set, which contains marks for first year students who took Data Science 141 ( ds141 ), Probability Theory and Statistics 114 ( pts114 ) and Computer Science 114 ( cs114 ). The data set is stored in an object named marks and is shown below.

Which of the code options below could you use to obtain only the average Data Science 141 mark for the students in this data set?

Question

You are working with a small data set, which contains marks for first year students who took Data Science 141 ( ds141 ), Probability Theory and Statistics 114 ( pts114 ) and Computer Science 114 ( cs114 ).  The data set is stored in an object named  marks  and is shown below. 
  
 Which of the code options below could you use to obtain only the average Data Science 141 mark for the students in this data set?

Answer

marks %>% summarize(avg_mark = mean(ds141))

Answer

marks %>% summary(mean(ds141))

Answer

marks %>% summarize(avg(ds141))

Answer

marks %>% mean(ds141)

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You are working with a small data set, which contains marks for first year stude...

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