Укажи метал, позначений на діаграмі літерою Х:

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.

The histogram below displays the test

The number of students is:

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:

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)