The description that best matches the box plot above s:

The parallel box plots shown display the

The variables battery life and brand are:

The association between two variables y and x, as shown in the scatterplot above, is non-linear. Which of the following transformations is most likely to linearise the relationship?

The scatterplot shows the weights at age 21

A group of 17 people was asked the number of years they have worked for their current employer.  Their responses are summarised in the following stem plot.

What is the median number of years that people have worked for their current employer? Just write the numerical value.

Weight (in kg) can be predicted from height (in cm) from the regression line:

weight = −96 + 0.95 × height

This regression line predicts that, on average, weight:

The histogram below displays the test

The number of students is:

Calculate the mean for the table below:

The cost of preparing meals in a school canteen is linearly related to the number of

The equation of the least squares regression line which relates them is shown below:

cost = 81.5 + 2.10 × number of meals

Use the equation to predict the cost of producing 48 meals.

(Write your answer in the format $xxx.xx) 

A group of 17 people was asked the number of years they have worked for their current employer.  Their responses are summarised in the following stem plot.

What is the median number of years that people have worked for their current employer? Just write the numerical value.