Data Science Mock Test 3

10%

Question 1 of 10

1. Point out the correct statement.

All of the mentioned

Pandas consist of an integrated group by engine for aggregating and transforming data sets

Pandas consist of moving window statistics

Pandas consist of set of labeled array data structures

Question 1 of 10

Question 2 of 10

2. Which of the following makes use of pandas and returns data in a series or dataFrame?

freedapi

pandaSDMX

OutPy

none of the mentioned

Question 2 of 10

Question 3 of 10

3. cov and corr supports the optional min_periods keyword.

False

True

Question 3 of 10

Question 4 of 10

4. Which of the following is not an indexed object?

SparseDataFrame

None of the mentioned

SparsePanel

SparseSeries

Question 4 of 10

Question 5 of 10

5. Which of the following specifies the required minimum number of observations for each column pair in order to have a valid result?

max_periods

all of the mentioned

min_periods

minimum_periods

Question 5 of 10

Question 6 of 10

6. Point out the correct statement.

Pandas represents timestamps in microsecond resolution

For Series and DataFrame objects, var normalizes by N-1 to produce unbiased estimates

All of the mentioned

Pandas is 100% thread safe

Question 6 of 10

Question 7 of 10

7. x-ray brings the labeled data power of pandas to the physical sciences.

True

False

Question 7 of 10

Question 8 of 10

8. Which of the following is used for testing for membership in the list of column names?

elseif

out

none of the mentioned

Question 8 of 10

Question 9 of 10

9. Pandas follow the NumPy convention of raising an error when you try to convert something to a bool.

True

False

Question 9 of 10

Question 10 of 10

10. Which of the following method produces a data ranking with ties being assigned the mean of the ranks for the group?

partition_rank

rank

dense_rank

none of the mentioned

Question 10 of 10