Data Analysis Review Quiz

What does "univariate" mean in the context of data analysis?

• Two variables

• One variable

• Three variables

• No variables

Which of the following is an example of univariate data?

• Sales vs Temperature

• Puppy Weights

• Ice Cream Sales and Temperature

• Height vs Weight

Which statistical measure(s) can be calculated with univariate data?

• Correlation and Variance

• Mean, Median, Mode and Range

• Regression and Variance

• Covariance and Standard Deviation

When finding the Standard Deviation, which central measure needs to be calculated first?

• MEDIAN

• MODE

• MEAN

• RANGE

Which step calculates the Variance?

• Calculate the mean of the sum of differences squared

• Compute the mode

• Calculate the mean

• Calculate the square root of variance

Which step calculates the Standard Deviation?

• Calculate the mean of the sum of differences squared

• Calculate the mode

• Calculate the mean

• Calculate the square root of variance

How would you find the Standard Deviation, given the Variance?

• Calculate the mean of the sum of differences squared

• Calculate the mode

• Calculate the mean

• Calculate the square root of variance

What does "bivariate" mean in the context of data analysis?

• One variable

• Two variables

• Three variables

• No variables

Which of the following is an example of bivariate data?

• Travel Time

• Puppy Weights

• Sales vs Temperature

• Mean and Median

Which two variables from the notes have a relationship (show correlation)?

• Ice Cream Sales and Temperature

• Ice Cream Sales and Humidity

• Ice Cream Sales and Rainfall

• Ice Cream Sales and Beach Party