Statistics for ML

What is the mean of the numbers: 2, 4, 6, 8, 10?

• 5

• 6

• 7

• 8

What does standard deviation measure?

• Central value
  

• Frequency
  

• Spread of data
  

• Correlation

Which of the following is NOT a measure of central tendency?

• Mean
  

• Median
  

• Mode
  

• Variance

What is the correlation coefficient range?

• 0 to 1
  

• -1 to 1
  

• -∞ to +∞
  

• 0 to ∞

What is the median of the dataset: 1, 3, 5, 7, 9, 11?

• 5

• 6

• 7

• 8

What is the mode of the dataset: 2, 4, 4, 6, 8,6,6,6,4,8,8,4,3,5,4?

• 4

• 6

• 8

• 3

Which of the following best describes a symmetric distribution?

• Left-skewed
  

• Right-skewed
  

• Bell-shaped
  

• Flat

What is the range of the dataset: 15, 30, 20 ,10, 15,25

• 15

• 20

• 25

• 10

Which term describes how much values differ from the mean?

• Median
  

• Mode
  

• Frequency

• Variance

Which of the following statistics is not affected by extreme values?

• Mean
  
  

• Standard deviation
  
  

• Median
  

• Range