It’s All In The Math submitted by Haily Vanderbur 1 – Pick a number of times you would like to eat out at a restaurant per week. It must be at least once, but not more than 10 times. 2 – Multiply that number by 2 (just to be bold.) 3 – Add 5 4 – Multiply it by 50 5 – If you have already had your birthday this year add 1763… If you haven’t, add 1762.

Continued 6 – Now subtract the four digit year that you were born. You should have a three digit number. The first digit of this was your original number (How many times you want to go out to a restaurant in one week). The next two numbers are YOUR AGE! (Oh, yes, it is!)

Algebra – 5.4 Fitting a line to data Objectives: -Find a linear equation that approximates a set of data. -Use scatter plots to determine positive, negative or no correlation. - Mr. Walker says that Scatter Plotting is: What happens to me when I’m planning revenge on someone but can’t focus.

Chirps/SecondTemperature (º F)

Price (Thousands of $)$160$180$200$220$240$260$280 Sales of New Homes This Year

Create a scatterplot from the following data: (1, 49), (3, 51), (4, 52), (6, 52), (6, 53), (7, 53), (8, 54), (11, 56), (12, 56), (14, 57), (14, 58), (17, 59), (18, 59), (20, 60), (20, 61) (5, 52) (20, 61)

Correlation Negative Correlation Positive Correlation No Correlation

Positive Correlation

The winning Olympic Games discus throws from 1908 to 1996 are shown in the table. Approximate the best-fitting line for these throws. YearThrow

Homework Worksheet 5-4 Both sides All

Work with your table. Measure each row members height and forearm length in centimeters. Create a scatter plot. Is there a correlation? If there is, sketch a line of best fit. Write an equation for the line of best fit.