3. The following table shows the annual income, in dollars, and amount spent on vacation, in dollars, for a sample of 8 families. INCOME 41,100 53,000 2,400 27,400 65,800 2,500 98,100 72,000 5,100 56,700 34,400 3,200 VACATION 2,700 1,700 2,800 4,200 a) Create a scatterplot of the data in the table. b) Calculate AND interpret the correlation coefficient shown in the scatterplot created in part (a). c) Calculate the least squares regression line and plot it on the scatterplot in (a). d) Predict the amount spent on vacation for a household earning $50,000.
3. The following table shows the annual income, in dollars, and amount spent on vacation, in dollars, for a sample of 8 families. INCOME 41,100 53,000 2,400 27,400 65,800 2,500 98,100 72,000 5,100 56,700 34,400 3,200 VACATION 2,700 1,700 2,800 4,200 a) Create a scatterplot of the data in the table. b) Calculate AND interpret the correlation coefficient shown in the scatterplot created in part (a). c) Calculate the least squares regression line and plot it on the scatterplot in (a). d) Predict the amount spent on vacation for a household earning $50,000.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
![3.
The following table shows the annual income, in dollars, and amount spent on
vacation, in dollars, for a sample of 8 families.
INCOME
VACATION
41,100
2,700
53,000
2,400
27,400
1,700
65,800
2,500
98,100
72,000
5,100
56,700
4,200
34,400
3,200
2,800
a) Create a scatterplot of the data in the table.
b) Calculate AND interpret the correlation coefficient shown in the scatterplot
created in part (a).
c) Calculate the least squares regression line and plot it on the scatterplot in (a).
d) Predict the amount spent on vacation for a household earning $50,000.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4ff0134-d77c-4ca3-bb5d-6cc18ac3336e%2Fbe7100ca-5d99-4851-8374-4e5ea1198ad7%2Fej8dx6c_processed.png&w=3840&q=75)
Transcribed Image Text:3.
The following table shows the annual income, in dollars, and amount spent on
vacation, in dollars, for a sample of 8 families.
INCOME
VACATION
41,100
2,700
53,000
2,400
27,400
1,700
65,800
2,500
98,100
72,000
5,100
56,700
4,200
34,400
3,200
2,800
a) Create a scatterplot of the data in the table.
b) Calculate AND interpret the correlation coefficient shown in the scatterplot
created in part (a).
c) Calculate the least squares regression line and plot it on the scatterplot in (a).
d) Predict the amount spent on vacation for a household earning $50,000.
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