Statistics Quiz 2

To visualize a nominal variable we use:

• a bar chart
• a histogram
• a line chart
• a scatter plot

To visualize the relationship between two variables we use:

• a bar chart
• a histogram
• a line chart
• a scatter plot

Bin size matters when creating a histogram

• True
• False

When throwing a die, the probability of getting a 2 OR a 4 is:

• 1/6
• 2/6
• 1/2
• 2/3

When throwing two dice, the probability of getting a 2 AND a 4 is:

• 1/6
• 2/6
• 1/2
• 1/36

All the sectors of a pie chart should add up to:

• 100%
• 0.5
• 0.3
• 100

To visualize the distribution of a continuous variable we use:

• a bar chart
• a histogram
• a line chart
• a scatter plot

The number of favorable events divided by the total number of equally likely events is the definition of:

• Bayes Rule
• Addition Rule
• Probability
• Multiplication Rule

P(A|B) meams:

• Probability of B given A
• Probability of A given B
• Probability of A regardless of B
• Probability of B regardless of A

There is no difference between a histogram and a bar chart:

• True
• False