Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.
Please make certain to show your work as part of your grade is associated with showing the steps to complete a problem. You want to set things up so that someone else can see the process you used to arrive at your answer.
Total score: ____ of 15 points
(Score for Question 1: ___ of 6 points)
1. A poll asked 15 pet owners what kind of pet they have and whether they feed their pet kibble or meat. The results are recorded in the table.
<b><span style="font-size:12.0pt;color:black;mso-themecolor:text1">Person<o:p></o:p></span></b>
Pet
Food
1
Cat
Kibble
2
Cat
Kibble
3
Dog
Kibble
4
Cat
Meat
5
Dog
Meat
6
Dog
Kibble
7
Dog
Meat
8
Dog
Meat
9
Catr
Meat
10
Cat
Meat
11
Dog
Meat
12
Cat
Kibble
13
Dog
Meat
14
Cat
Kibble
15
Dog
Meat
(a) Create a two-way table of the data. Of the pet owners surveyed, how many owned dogs? How many fed their pets meat?
a. Please include labels and totals.
(b) Create a two-way relative frequency table that displays the relative frequency of the cat owners and dog owners who fed their pets kibble or meat. Express your answers as decimals written to three decimal places.
(c) What is the percentage of dog owners who fed their pets meat?
Answer:
Part A, How many owned dogs?
Part A, How many fed their pets meat?
Part C
Two way table, Part A
Kibble
Meat
Total
Cat
Dog
Total
Relative frequency table, Part B
Kibble
Meat
Total
Cat
Dog
Total
Note: these tables are asking for two different things. Please review 1.02, and come into Math Help Lab, if you’re unsure what the difference is or otherwise need assistance.
(Score for Question 2: ___ of 5 points)
2. Consider this scatter plot.
Test Scores in Relation to Homework
Test Scores
Hours of Homework
(a) Is the relationship linear or not linear? Justify your response.
(b) Is the relationship increasing or decreasing? Find the slope and use it to help justify your answer.
(c) Paul uses the function y = 7x + 30 to model the situation. What score does Paul’s model predict for 3 hours of homework? Hint: It’s _not_ asking you to use the graph.
(d) Describe what the number 30 in Part (c) mean in the context of the situation? Hint: Think about what kind of function equation you have in Part C.
Answer:
Part A)
Part B)
Part C)
Part D
1.a)
There are 8 owners of dog; 9 owners fed their pets meat.
b)
c) 75% of dog owners fed their pets meat.
2.a), b) We have not scatter plot.
c) Score"=y=7\\cdot3+30=51"
d) The number 30 in the equation "y = 7x + 30" means minimal possible test score (when Hours of Homework "=0" )
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