Question

Miles Travelled	Sales
500	6000
400	2000
800	7000
100	3000
1400	6000
1900	11000

1. What is the Coefficient of Determination?
   1. 0.7334
   2. 0.4053
   3. 0.2267
   4. 0.1437
2. What is the Test Statistic for the Correlation Coefficient?
   1. 3.32
   2. 16.15
   3. 1.88
   4. Cannot be computed
3. What is the regression slope?
   1. 1.98
   2. 0.40
   3. 0.71
   4. 0.32
4. What is the regression intercept?
   1. 0.40
   2. 2.41
   3. 3.68
   4. 1.88
5. If a salesman travels 600 miles what is the predicted sales?
   1. $4826
   2. $2105
   3. $3638
   4. $4018
6. Given a Correlation of Coefficient of 0.42, what is the ratio of SSR/SST?
   1. 0.00
   2. 0.42
   3. 0.48
   4. 0.18
7. A regression equation is computed to be: Y = 15.8 + 11.2X.
   We know the corresponding SST = 685 and SSR = 282. What is the correlation coefficient?
   1. 0.83
   2. 0.41
   3. 0.64
   4. Cannot be computed from data available

Answer 1