Prob & Stats Major Assessment 1B

What type of graph is this?

• Bar Graph

• Histogram

• Stemplot

• Dot Plot

Find the median.
5, 15, 10, 20, 15, 10, 15

• 20
• 15
• 10
• 5

Which of the following is an example of categorical data?

• High School Graduate or Not
• Annual Income
• Years of Schooling Completed
• Years of playing an instrument

The histogram shows the typical travel time to school (self-reported) for 50 high school students. Which of the following statements is true about the mean and median of this distribution?

• Mean > Median
• Mean < Median
• Mean = Median
• Mean ≈ Median

Which of the following is least impacted by an outlier?

• Median

• Mean

• Range

• Standard Deviation

A teacher conducts a survey collecting the following information from each student:

grade (freshman, sophomore, junior, senior),

age,

hours of sleep the previous night and

gender

Which of the following best describes the data that was collected?

• There are 5 variables: 3 categorical and 2 quantitative

• There are 5 variables: 2 categorical and 3 quantitative.

• There are 4 variables: 2 categorical and 2 quantitative.

• There are 4 variables: 1 categorical and 3 quantitative.

• There are 4 variables: 3 categorical and 1 quantitative.

What shape is the data shown in the dot plot?

• symmetrical

• skewed left

• skewed right

• dot plot

What is the range of the data shown?

• 85

• 90

• 80

• 70

What is the median of the data?

• 200
• 100
• 90
• 140

What is the interquartile range?

• 4
• 6
• 2
• 8