24. What type of data is represented by a Bar Chart?

a) Descriptive b) Categorical

c) Unimodald) None of the above

25. What are three items you would look for when analyzing a Histogram?

a) General shape, Location and number of peaks, Central or typical value

b) Name of histogram, whether it is a bar chart, whether it is a pie chart

c) Steam-and-leaf-display, dotplots, whether discrete data

d) Answers a and b

28.Making decisions based on probability involves:

a) Descriptive Statisticsb) Statistical Inference

c) Conditional Probabilityd) Response bias

29. Which of the answers below are methods of Power transformation?

a) Square root, Cube root, Logarithm

b) Median, Mode, Mean

c) Slope, y-intercept

d) None of the above

30. What are two methods of fitting non-linear data?

a) General shape, Location and number of peaksb) Bar chart, Pie chart

c) Polynomial regression, transformationsd) Probability, Simulations

31.The description of the following Scatterplot is:

a)Negative linear relationship

b)Positive linear relationship

c)Non-linear relationship

d)No relationship