This scatter plot shows the age in years versus the height in inches of a group of children. Explain why the drawn line of best fit is accurate or why not.

This scatter plot shows the hours a cubic foot of ice was exposed to sunlight versus the amount of ice that melted in cubic inches. Draw an informal line of best for the given scatter plots.

This scatter plot shows the amount copper in water in ppm versus plant growth in cm over three months. Draw an informal line of best for the given scatter plots.

Show the conjecture is false by finding a counterexample. The square root of any positive integer x is always less than x.

Construct a scatter plot for the following data set using appropriate scale for both the x and y-axis.
This table shows the number of hours students slept the night before their math test and their scores.

Use the following scatter plot to answer each question. The scatter plot shows the monthly income of each person in hundreds of dollars versus the percent of their income that they save each month.
a) Does this scatter plot represent a positive association, negative association, or non association? Why?
b) Which person makes the most money per month? How much do they make?
c) Which person is the outlier in this data set? Why?

Determine if it is a fact or opinion and write it on the line.

The table shows the temperature and number of tickets sold at a movie theatre . Construct a scatter plot of the data. Is there a relationship between temperature and the number of tickets sold?


Determine the scales and plot the points.

Biology is the study of lining things. The root bio mean life. What does root logy mean?

The table shows the distance in miles and price of airfare in dollars.

Construct a scatter plot
Is there a relationship between distance and airfare? Explain.

It not necessary that every set of variables in a data set must have a linear relationship. There are instances where the variables are related and not.

On what principal will the simple interest be Rs. 7008 in 6 years 3 months at 5% per annum?

Show the conjecture is false by finding a counterexample. All prime numbers are odd.

The table shows the number of painters and sculptors enrolled in seven art schools. Jashar makes an incorrect scatter plot to represent the data.


a) What error did jashar likely make?
b) Explain the relationship between the number of painters and sculptors enrolled in the art schools?
c) Jashar scatter plot shows two possible outliers , Identify them and explain why they are outliers?

A pitcher ERA ( Earned Run Average ) is the average number of earned runs the pitcher allows every 9 innings pitched. The table shows the ERA and number of wins for starting pitchers in a baseball league?

Construct a scatter plot of the data.
Identify the association between the data . Explain the relationship between ERA and number of wins shown in the scatter plot.

The sum of the first n odd positive integers is ____.

The simple interest on a certain sum for 3 ½ years at 12% per annum is Rs. 98 more than the simple interest on the same sum for 2 ½ years at 14% per annum. Find the sum.