Question 1
How many subjects / observations are in this dataset ?
Group of answer choices
596
396
597
598
Flag question: Question 2
Question 2
How many variables /columns are in this dataset ?
Group of answer choices
13
14
15
16
Flag question: Question 3
Question 3
What is the mean of the age variable, rounded to the nearest whole number ?
Group of answer choices
51
52
58
59
Flag question: Question 4
Question 4
What is the minimum value of the age variable ?
Group of answer choices
26
27
28
29
Flag question: Question 5
Question 5
What is the maximum value of the age variable ?
Group of answer choices
74
75
76
77
Flag question: Question 6
Question 6
What is the five number summaryof the age variable ?
Group of answer choices
28, 44, 52, 58, 77
28, 44, 51, 58, 77
Flag question: Question 7
Question 7
Check the names of allnumeric variables.
Group of answer choices
age
sex
chest_pain
trestbps
chol
fbs
restecg
thalach
exang
oldpeak
slope
ca
thal
num
Flag question: Question 8
Question 8
Check the names of all categorical or nominalvariables.
Group of answer choices
age
sex
chest_pain
trestbps
chol
fbs
restecg
thalach
exang
oldpeak
slope
ca
thal
num
Flag question: Question 9
Question 9
What do you conclude from the stacked histogramregarding the proportion of heart disease (num > 50) as a function of age ?
Flag question: Question 10
Question 10
Do variables thalach and age seem correlated ?