Categorical and Quantitative Data

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

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.

How many more people live in Rivertop than in Bently?

• 3,000 people

• 8,000 people

• 5,000 people

• 9,000 people

How many students received a score of 94%?

• 94

• 4

• 1

• 2

Explain what the dot 260 represents.

• The dot above 260 represents pizza flavors.

• The dot above 260 represents the number of calories for one of the cheese frozen pizzas.

• The dot above 260 represents how many people like cheese pizza.

• The dot above 260 represents how many pizzas have cheese.

Describe the shape.

• Uniform

• Roughly symmetric

• Skewed to the left

• Skewed to right

Identify the type of statistical display

• Histogram

• Bar Graph

• Line Graph

• Pie Chart

100 men and 40 women are surveyed about their preferences. Approximately how many men preferred sports?

• 60

• 10

• 20

• 50

Describe the type of linear correlation between the two variables

• Strong positive

• Weak positive

• Strong Negative

• No correlation

Is this line an accurate line estimate of best fit for the data?

• Yes

• No