Data Exploration Quiz

Correlation doesn’t imply causation and here are these types of correlation, Except

• Zero Correlation

• Positive Correlation

• Weak Correlation

• Negative Correlation

Complete the following syntax!

import pandas as pd

import numpy as ….

Import matplotlib.pylot as plt

import seaborn as …

from scipy import ….

• pd, sbn , sns

• np, scipy, sns  

• np, sns, stats

• pd, sns, stats 

What is the syntax to create output shown as follows?

• data.describe()

• grouped_test2=data_gptest[['Country_Name','Planes_in_Airport']].groupby(['Country_Name')

• grouped_test2.head(2)

• plt.hist(df.Country_Name)

data.isnull().sum() is syntax to identify?

• Type data

• Data group

• Correlation

• Missing data

To Create Descriptive Statistics, which syntax is appropriate?

• data.describe()

• data.describe []

• “data.(describe)”

• ‘data.describe()’

Complete the following syntax!

data_gptest = data[['………..', 'Type','……….']]

• ['Country_Name', 'Type','Planes_in_Airport']

• ('Country_Name', 'Type','Arrivals’)

• ('Country_Name', 'Type','Planes_in_Airport')

• ['Country_Name', 'Type','Arrivals’]

What is a syntax to create output shown as follows?

• data.(tail)

• data.describe()

• pd.read_csv

• data.head()

Which is the correct output from this syntax "data.dtypes"

• 
• 
• 
• 

Complete the following syntax!

f_val, p_val = stats.f_oneway(grouped_test2.get_group('…………')['Planes_in_Airport'],

                              grouped_test2.get_group('…………')['Planes_in_Airport'])

• China, Indonesia

• Indonesia, Turkey

• China, Turkey

• Indonesia, China

When did John Tukey propose exploratory data analysis (EDA) as a method for generating hypotheses using visualizations?

• 1965

• 1977

• 1967

• 1995