Download presentation
Presentation is loading. Please wait.
Published byDonald McBride Modified over 6 years ago
1
Bell Ringer: What type of correlation is seen here:
Friday, February 4th Bell Ringer: What type of correlation is seen here: NEGATIVE CORRELATION
2
Now let’s review the HW (0, 8) (10, 2)
3
Write the equation (0, 8) (10, 2)
4
(0, 8) (10, 2)
5
Now let’s review the HW (0, 8) (10, 2)
6
Key Points Correlation: how x relates to y Trend lines: Predictions
Positive Negative None Trend lines: Lines that summarize the correlation in data Predictions We can use trend lines to make predictions
7
Objective: I CAN determine the equation of the line of best fit
8
Which LINE WOULD YOU CHOOSE?`
9
What do you want to know?
11
Here is what I will give you
12
What is type of correlation do we see here?
13
Now let’s draw the trend line
(9, 66) (22, 135) Now let’s draw the trend line
14
Write the equation (9, 66) (22, 135)
15
(4, 52) (12, 82)
17
Answer these questions with your partner
What does the slope represent? What does y – intercept mean? The number of seconds per item How long it takes to check out zero items time to say “hello, how are you doing?”
19
Homework Finish the problems on the back of the sheet
There will be a 5 question ten minute quiz It will be just like the problems on the back of the sheet
20
Toaster Video
21
Toasters How long will the 9th toaster run for
22
(5, 126) (4, 114) (3, 102)
23
Answer these questions with your partner
What does the slope represent? What does y – intercept mean? Predict how long will the 9th setting go for? Number of seconds per setting No meaning 174 seconds = 2 mins 54 secs
24
Let’s Check our answer
25
Do you want to see the toast
26
HW + the quiz Finish the back of the sheet
If you can answer those questions you will good for tomorrow’s quiz
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.