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Ethan's branch #4

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7cb2632
Lots of updates
ethanwright3 Jul 9, 2020
a2cc4ba
Safety Update
ethanwright3 Jul 30, 2020
0b84ce1
fixes to submit and data sets
ethanwright3 Aug 3, 2020
113a685
Wording for cases, pivot_wider questions
ethanwright3 Aug 3, 2020
c346902
Slight organization adjustments
ethanwright3 Sep 11, 2020
efb13ef
Grammar and major bug fix
ethanwright3 Nov 6, 2020
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18 changes: 9 additions & 9 deletions questionbank.csv
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
ID,Question,A,B,C,Answer
1,Which is a requirement for tidy data?,"Column headers are values, not variable names.",Variables are stored in both rows and columns.,Each value must have its own cell.,C
2,Why is this table untidy? ,Multiple variables are stored in one column.,Variables are stored in both rows and columns.,One variable is spread across multiple columns,C
3,"Does this table need to be spread, gathered, or united?",Spread,Gathered,United,B
4,Why is this table untidy?,Observations are spread across multiple rows,One variable is spread across multiple columns,One variable is spread across multiple columns,A
5,"Does this table need to be spread, gathered, or united in order to be tidy?",Spread,Gathered,United,A
6,Why is this table untidy?,One variable is spread across multiple columns,Multiple variables are stored in one column.,Variables are stored in both rows and columns.,B
7,"Does this table need to be spread, gathered, or united in order to be tidy?",Spread,Gathered,United,A
8,"Does this table need to be spread, gathered, or united?",Spread,Gathered,United,C
9,Which is the correct step for uniting 'century' and 'year' into 'new'? ,"unite(col = new, century, year)","unite(col = new, century, year, sep = """")","unite(col = year, century, year)",B
1,Which is a requirement for tidy data?,"A. Column headers are values, not variable names.",B. Variables are stored in both rows and columns.,C. Each value must have its own cell.,C
2,Why is this table untidy? ,A. Multiple variables are stored in one column.,B. Variables are stored in both rows and columns.,C. One variable is spread across multiple columns,C
3,"Does this table need to pivot_longer, pivot_wider, or unite?",A. pivot_wider,B. pivot_longer,C. unite,B
4,Why is this table untidy?,A. Observations are spread across multiple rows,B. One variable is spread across multiple columns,C. One variable is spread across multiple columns,A
5,"Does this table need to pivot_longer, pivot_wider, or unite in order to be tidy?",A. pivot_wider,B. pivot_longer,C. unite,A
6,Why is this table untidy?,A. One variable is spread across multiple columns,B. Multiple variables are stored in one column.,C. Variables are stored in both rows and columns.,A
7,"Does this table need to pivot_longer, pivot_wider, or unite in order to be tidy?",A. pivot_wider,B. pivot_longer,C. unite,B
8,"Does this table need to be pivot_longer, pivot_wider, or unite?",A. pivot_wider,B. pivot_longer,C. unite,C
9,Which is the correct step for uniting 'century' and 'year' into 'new'? ,"A. unite(col = new, century, year)","B. unite(col = new, century, year, sep = """")","C. unite(col = year, century, year)",B
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