Examining Distributions Checkpoint 1
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to successfully navigate a maze.
What percentage of the rats navigated the maze in less than 5.5 minutes?
Question 2
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to successfully navigate a maze.
Which of the following best describes the shape of the histogram?
Question 3
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to successfully navigate a maze.
For the data described by the above histogram, which of the following is a correct statement about the median?
Question 4
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to successfully navigate a maze.
Which of the following is a possible value of the median in this example?
Question 6
A survey was conducted to determine the number of servings of vegetables eaten, per day, by adolescents in the United States. The following table shows the results:
What is the modal number of vegetable servings eaten, per day, by adolescents in the United States?
Question 5
This histogram shows the times, in minutes, required for 25 rats in an animal behavior experiment to successfully navigate a maze.
Assume that the largest observation in this dataset is 8.6 minutes. If this observation were wrongly recorded as 86, then what would happen to the mean and median?