Data Science Quiz v2

What is the primary goal of data science?

• Data Storage

• Data Visualization

• Extracting Insights

• Data Entry

Which of the following is a supervised learning algorithm?

• K-Means Clustering

• Linear Regression

• Merge Algorithm

• PCA

What is the full form of PCA in data science?

• Principal Component Analysis

• Primary Cluster Algorithm

• Principal Calculation Algorithm

• Probabilistic Cluster Analysis

Which Python library is used for data manipulation and analysis?

• Matplotlib

• Pandas

• TensorFlow

• Seaborn

Which of the following is a measure of central tendency?

• Variance

• Standard Deviation

• Mean

• Range

Which type of variable can take an infinite number of values within a range?

• Discrete

• Categorical

• Continuous

• Ordinal

What is the purpose of hypothesis testing?

• To prove a hypothesis

• To analyze data trends

• To determine the likelihood of a hypothesis being true

• To visualize data

Which metric is used to measure the spread of data?

• Mean

• Median

• Variance

• Mode

Which visualization is best suited for showing the distribution of a numerical variable?

• Bar Chart

• Histogram

• Line Chart

• Pie Chart

Which visualization is best suited for showing the relationship between two numerical variables?

• Bar Chart

• Scatter Plot

• Pie Chart

• Histogram