Shape of Data Distribution with Graphs

Given the following distributions, which is skewed to the left?

• Red

• Purple

• Black

Given the following distributions, which is skewed to the right?

• Red

• Purple

• Black

Here is a pie chart of how a randomly selected group of people described the cost of their health insurance. Which of the following bar charts is equivalent to the pie chart?

• 
• 
• 
• 

Which of the boxpots has the larger larger interquartile range?

• female

• male

• they're the same

• impossible to tell

List each set of data by color from the lowest standard deviation to the highest standard deviation.

• blue, green, pink, red

• red, pink, green, blue

• pink, green, red, blue

• blue, green, red, pink

​ (a)   can be used to find the mean.

​ (b)   can be used to find the median.

• dot plot(line plot)

• histogram

• Both graphs

The following parallel dotplots show the total family income of randomly chosen individuals from Indiana (38 individuals) and New Jersey (44 individuals). Which of the following correctly compares the shape of the distribution?

• The Indiana distribution is roughly symmetric, while the New Jersey distribution is right-skewed.

• The distribution for Indiana has a similar center to the distribution for New Jersey, around $45,000.

• The variability for Indiana is less than the variability for New Jersey.

• $160,000 appears to be an outlier for the Indiana distribution and there isn't any obvious outliers for the New Jersey distribution.

Out of 40 students surveyed, what is the spread on the time to eat breakfast?

• 3

• 10

• 11

• 12

The dotplot shows the results of rolling a pair of 6-sided dice and finding the sum of the up faces 100 times. Determine if the dotplot is roughly symmetric or skewed.

• Roughly symmetric

• Left-skewed

• Right-skewed

• None of the above

The dotplot shows the results of rolling a pair of 6-sided dice and finding the sum of the up faces 100 times. Describe the peak(s) of the graph.

• Clear peak at 7

• Clear peak at 2

• There are multiple peaks at 6 and 7

• There are no peaks