Top Posters
Since Sunday
p
41
34
C
18
I
13
n
13
a
12
11
C
11
s
11
11
m
11
10
New Topic  
wrote...
Posts: 220
Rep: 0 0
2 weeks ago
The correlation between a family's weekly income and the amount they spend on restaurant meals is found to be r = 0.30. Which must be true?
I.   Families tend to spend about 30% of their incomes in restaurants.
II.  In general, the higher the income, the more the family spends in restaurants.
III. The line of best fit passes through 30% of the (income, restaurant$) data points.

▸ I, II, and III

▸ III only

▸ II and III only

▸ I only

▸ II only
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
Read 42 times
1 Reply
Replies
Answer verified by a subject expert
wrote...
Posts: 245
2 weeks ago
Sign in or Sign up in seconds to unlock everything.
II only
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  81 People Browsing
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 162

Related Images
 51
 46