Python_ML_Quiz1

K-Means comes under which category of Machine Learning

• Supervised Learning

• Unsupervised learning

• Re-enforcement Learning

• None of the above

Which of the following methods do we use to find the best fit line for data in Linear Regression?

• Least Square Error

• Maximum Likelihood

• Logarithmic Loss

• Both a and b

Amazon Product Recommendation uses which of the following machine learning technique?

• Supervised

• Unsupervised

• None

• Both a and b

Which of the following methods do we use to best fit the data in Logistic Regression?

• Least Square Error

• Maximum Likelihood

• Jaccard distance

• Both a and b

Which function is used to create ROC Curve

• ROC()

• Predict()

• performance()

• roc_plot()

 Which of these measures are used to analyze the central tendency of data?

• Mean and Normal Distribution

• Standard Deviation, Range and Mean

• Mean, Median and Mode

• Median, Range and Normal Distribution

Which of the following measures of central tendency will always change if a single value in the data changes?

• Mean

• Median

• Mode

• All of these

Correlation between two variables (Var1 and Var2) is 0.65. Now, after adding numeric 2 to all the values of Var1, the correlation co-efficient will_______ ?

• Increase

• Decrease

• Remain Unchanged

If a positively skewed distribution has a median of 50, which of the following statement is true?

• Mean is greater than 50

• Mean is less than 50

• Mode is less than 50

• Mode is greater than 50

• Bota a and c

Standard deviation is robust to outliers?

• true

• false