BADM 211 Midterm Review (Practice Problems With Solutions)

BADM 211 Midterm Review (Practice Problems
With Solutions)

Save




Terms in this set (17)


What is the output of the 211
following lines of code:
word = "BADM"
word = 211
print(word)

What will the result of the "3.03.0"
following code?
2 * "3.0"

Which of the following D. describe()
pandas methods will
report summary statistics
of numeric columns?
A. head()
B. tail()
C. info()
D. describe()

, Suppose we have a data A. df["animal"].value_counts()
frame df, which includes
a column animal. I would
like to count the number
of times each animal
appears in the column,
e.g. Elephant: 8, Zebra: 7,
etc. Which of the
following commands can
I use to do that?
A.
df["animal"].value_counts(
)
B.
df["animal"].value_counts(
normalize=True)
C.
df.value_counts().animal()
D.
value_counts(df["animal"])

Which option will help us A. L[0:2] AND D. L[-3:-1]
select elements "a" and
"b" in the list L = ["a", "b",
"c"]? (Select all that
apply.)
A. L[0:2]
B. L[1:2]
C. L[-3:-2]
D. L[-3:-1]

Which of these will help C. df[["c1","c2"]]
us select two columns, c1
and c2, from the
dataframe df?
A. df[c1,c2]
B. df["c1", "c2"]
C. df[["c1","c2"]]
D. df("c1", "c2")