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15. Calculate x² for this sample data. a. 1.75 b. 2.17 c. 3.02 d. 4.76 Ans. 16. Instead of using your x² for number 14, let's say x²= 6.0. If the degrees of freedom is 2, what is the P-value for this problem? (If you use the table in the book, choose the value below that fits in the range you find). a. 0.287 b. 0.928 C. 0.050 d. 0.010 Ans. 17. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion. a. At a = 0.05, the data indicate that party and spending are independent. b. At a = 0.01, the data indicate that party and spending are not independent. c. At a = 0.01, the data indicate that party and spending are independent. At a = 0.05, the data indicate that party and spending are not independent. d.

15. Calculate x² for this sample data. a. 1.75 b. 2.17 c. 3.02 d. 4.76 Ans. 16. Instead of using your x² for number 14, let's say x²= 6.0. If the degrees of freedom is 2, what is the P-value for this problem? (If you use the table in the book, choose the value below that fits in the range you find). a. 0.287 b. 0.928 C. 0.050 d. 0.010 Ans. 17. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion. a. At a = 0.05, the data indicate that party and spending are independent. b. At a = 0.01, the data indicate that party and spending are not independent. c. At a = 0.01, the data indicate that party and spending are independent. At a = 0.05, the data indicate that party and spending are not independent. d.

Linear Algebra: A Modern Introduction
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 34EQ
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Help me solve questions 15-17 using the following data
#4 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 ovided 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 total 8- 15- 22- 45 4.3 12- 16- 19- 92 Party Republican Democrat
Transcribed Image Text:#4 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 ovided 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 total 8- 15- 22- 45 4.3 12- 16- 19- 92 Party Republican Democrat
15. Calculate x² for this sample data. a. 1.75 b. 2.17 c. 3.02 d. 4.76 Ans. 16. Instead of using your x² for number 14, let's say x²= 6.0. If the degrees of freedom is 2, what is the P-value for this problem? (If you use the table in the book, choose the value below that fits in the range you find). 0.287 a. b. 0.928 C. 0.050 d. 0.010 Ans. 17. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion. a. At a = 0.05, the data indicate that party and spending are independent. b. At a = 0.01, the data indicate that party and spending are not independent. c. At a = 0.01, the data indicate that party and spending are independent. d. At a = 0.05, the data indicate that party and spending are not independent. Ans. Problems 18.
Transcribed Image Text:15. Calculate x² for this sample data. a. 1.75 b. 2.17 c. 3.02 d. 4.76 Ans. 16. Instead of using your x² for number 14, let's say x²= 6.0. If the degrees of freedom is 2, what is the P-value for this problem? (If you use the table in the book, choose the value below that fits in the range you find). 0.287 a. b. 0.928 C. 0.050 d. 0.010 Ans. 17. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion. a. At a = 0.05, the data indicate that party and spending are independent. b. At a = 0.01, the data indicate that party and spending are not independent. c. At a = 0.01, the data indicate that party and spending are independent. d. At a = 0.05, the data indicate that party and spending are not independent. Ans. Problems 18.
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