Skill: S.ID.6 Summarize, represent, and interpret bivariate quantitative data
The weight of a female golden retriever puppy was collected during the first 12 days after birth and recorded in the table below. Create a scatterplot for this data on your calculator and then answer the following questions.
Question 1
1.
What is the LSRL? (Round your answers to nearest tenth)
Question 2
2.
What do the slope and y-interecept mean in context?
Question 3
3.
What is the correllation coeffecient (r) rounded to 4 decimal places?
Question 4
4.
Choose all that apply to fully describe the association.
Question 5
5.
What would you predict the weight to be in 6 days? (Use your equation)
Question 6
6.
Calculate your residual using your answer above. (Just write the number for your answer.)
Question 7
7.
Did you answer all parts to this section?
Skill: S.ID.7 Interpret linear models
Question 8
8.
Graph # _________ has a correlation coefficient of r= -0.05
Question 9
9.
Graph # _________ has a correlation coefficient of r= -0.98
Question 10
10.
Graph # _________ has a correlation coefficient of r= -0.70
Question 11
11.
Graph # _________ has a correlation coefficient of r= 0.68
Question 12
12.
A national consumer magazine reported the following correlations.
The correlation between car weight and car fuel efficiency is −0.80.
The correlation between car weight and annual maintenance cost is 0.20.
Question 13
13.
The Mayor notices that there is a strong positive linear association between the number of fireman at a fire and The amount of damage (in dollars). he immeaditely decides to reduce the number of firefighters dispatched to reduce the amount of damage. What is wrong with the Mayor's thinking? Explain using mathematical vocabulary.
Question 14
14.
Did you answer all questions in this section?
Skill: F.LE.2 Model linear, quadratic, exponential relationships with functions
Identifying Sequences: State which type of sequence each table represents; arithmetic, geometric, or neither. Also, state whether the graph would be linear, exponential, or quadratic.
Question 15
15.
What type of sequence is part a?
Question 16
16.
What type of graph would part a be?
Question 17
17.
What is the sequence generator for part a? (How do you get the next term in the sequence)
Question 18
18.
What type of sequence is part b?
Question 19
19.
What type of graph would part b be?
Question 20
20.
What is the sequence generator for part b? (How do you get the next term in the sequence)
The initial value of a particular car is $4500 and is decreasing 9% per year.
Question 21
21.
This situation would be which of the following:
Question 22
22.
What is the multiplier?
Question 23
23.
Write an equation for the cost inxyears.
Question 24
24.
In 4 years, the car will be worth $____________. (Round your answer to the nearest cent)