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- Multiple ChoicePlease save your changes before editing any questions.
A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.

y = 1.5x + 12

y = 12x + 1.5

y = 0.67x - 8

y = -8x + 0.67

- Multiple ChoicePlease save your changes before editing any questions.The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.12 chapters15 chapters18 chapters21 chapters
- Multiple ChoicePlease save your changes before editing any questions.
If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.

y = -60x+6443

$4403

$4673

$8483

$6443

- Multiple ChoicePlease save your changes before editing any questions.The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.y = 839.721x + 27541.812y = 27541.812x - 839.721y = 27541.812x + 839.721y = 839.721x - 27541.812
- Multiple ChoicePlease save your changes before editing any questions.What letter do we use to represent correlation coefficient?crph
- Multiple ChoicePlease save your changes before editing any questions.What is a best-fit line used for?To make predictionsTo make the graph look prettyTo connect the pointsTo make it look like you know what you are doing
- Multiple ChoicePlease save your changes before editing any questions.
Find the equation of the line of best fit for the given data

y = 163.41x+1.49

y =- 163.41x+ 4.19

y =- 4.19x+163.41

y = 4.19x -163.41

- Multiple ChoicePlease save your changes before editing any questions.
Write the equation for the linear regression shown.

$y=ax+b$

$y=0.6x+0.1$

$y=0.72x+r$

$y=0.1x+0.6$

- Multiple ChoicePlease save your changes before editing any questions.
Write the equation for the linear regression shown.

$y=-5.11x+3.23$

$r=0.8$

$y=3.23x\ -\ 5.11$ $\$

$y=0.64x+0.8$

- Multiple ChoicePlease save your changes before editing any questions.
Write the linear regression equation for the following data points. Round to the nearest tenth.

$y=-0.83x+0.61$

$y=-0.83x+0.63$

$y=0.83x+-0.8$

$a^2+b^2=c^2$

- Multiple ChoicePlease save your changes before editing any questions.
Write the linear regression equation for the following data points. Round to the nearest tenth.

$y=-0.27x+3.93$

$y=3.93x+-0.27$

$y=1.25x+3.75$

$y=0.27x+3.94$