Would you anticipate a scatterplot demonstrating a relationship between "speed of a car" and "time it takes to drive 10 miles" to show a favorable, unfavorable, or no association? Explain your thinking.
You randomly survey students in your school about whether they have a pet. You display your results in the two-way table. How many female students took the survey?
You randomly survey students at your school about what type of books they like to read. The two-way table shows your results. Find and interpret the marginal frequencies.
If
Advances in medical science and healthier lifestyles have resulted in longer life expectancies. The life expectancy of a female whose current age is x years old is
For the following exercises, enter the data from each table into a graphing calculator and graph the resulting scatter plots. Determine whether the data from the table would likely represent a function that is linear, exponential, or logarithmic.
You randomly survey students in your school. You ask whether they have jobs. You display your results in the two-way table. How many male students do not have a job?
A group of children and adults were polled about whether they watch a particular TV show. The survey results, showing the joint relative frequencies and marginal relative frequencies, are shown in the two-way table.
What is the value of x?