Problems 12-17 The table below gives the number of US Senators, from each party, spending federal dollars in each of three spending classes. The table is set up to help you calculate x² so there are blanks provided in addition to the data. You will need to do the addition to arrive at the row and column totals. You are doing a Chi Square test at the 0.05 level of significance to determine if part and spending are dependent. Spending 4 to 7 Billion Less than 4 Billion More than 7 Billion 8- 15- 22- 12- 19- 16- 12. Choose the best Null and Alternate Hypotheses for this study: a. Ho: party and spending are independent. H₁: party and spending are NOT independent. b. Ho: party and spending are NOT independent. H₁: party and spending are independent. c. Ho: party and spending are independent. H₁: party and spending are independent. Ho: party and spending are NOT dependent. H₁: party and spending are NOT independent. Ho: party and spending are NOT independent. d. Ans. 13. Calculate the expected frequency for a Democrat spending less than 4 Billion. a. 8.76 b. 10.22 c. 17.37 d. 16.63 Ans. 14. For this x² test, what is the degree of freedom? a. df = 3 b. df = 2 C. df = 4 d. df = 1 Party Republican Democrat Ans.
Problems 12-17 The table below gives the number of US Senators, from each party, spending federal dollars in each of three spending classes. The table is set up to help you calculate x² so there are blanks provided in addition to the data. You will need to do the addition to arrive at the row and column totals. You are doing a Chi Square test at the 0.05 level of significance to determine if part and spending are dependent. Spending 4 to 7 Billion Less than 4 Billion More than 7 Billion 8- 15- 22- 12- 19- 16- 12. Choose the best Null and Alternate Hypotheses for this study: a. Ho: party and spending are independent. H₁: party and spending are NOT independent. b. Ho: party and spending are NOT independent. H₁: party and spending are independent. c. Ho: party and spending are independent. H₁: party and spending are independent. Ho: party and spending are NOT dependent. H₁: party and spending are NOT independent. Ho: party and spending are NOT independent. d. Ans. 13. Calculate the expected frequency for a Democrat spending less than 4 Billion. a. 8.76 b. 10.22 c. 17.37 d. 16.63 Ans. 14. For this x² test, what is the degree of freedom? a. df = 3 b. df = 2 C. df = 4 d. df = 1 Party Republican Democrat Ans.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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Problems 12-17
The table below gives the number of US Senators, from each party, spending federal dollars in each of
three spending classes. The table is set up to help you calculate x² so there are blanks provided in
addition to the data. You will need to do the addition to arrive at the row and column totals. You are
doing a Chi Square test at the 0.05 level of significance to determine if part and spending are
dependent.
Spending
4 to 7 Billion
Less than
4 Billion
More than
7 Billion
8-
15-
22-
12-
19-
16-
bo
Une vien
12. Choose the best Null and Alternate Hypotheses for this study:
a.
Ho: party and spending are independent. H₁: party and spending are NOT independent.
b. Ho: party and spending are NOT independent. H₁: party and spending are independent.
C. Ho: party and spending are independent. H₁: party and spending are independent.
d. Ho: party and spending are NOT dependent. H₁: party and spending are NOT
independent. Ho: party and spending are NOT independent.
erinot sise
Ans.
13. Calculate the expected frequency for a Democrat spending less than 4 Billion.
a. 8.76
b. 10.22
C. 17.37
d. 16.63
Ans.
14. For this x² test, what is the degree of freedom?
a. df = 3
b. df = 2
c.
df = 4
d. df = 1
Party
Republican
Democrat
Ans.
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