SOLUTION: A school administrator wanted to determine the relationship between hours studied by students to the test scores. The following data was gathered. Based on the data, predict the te
Algebra ->
Probability-and-statistics
-> SOLUTION: A school administrator wanted to determine the relationship between hours studied by students to the test scores. The following data was gathered. Based on the data, predict the te
Log On
Question 823822: A school administrator wanted to determine the relationship between hours studied by students to the test scores. The following data was gathered. Based on the data, predict the test score if a student studied 4.5 hours.
Hours Studied Test Score
5.2 220
5.5 227
6 259
5.9 210
5.8 224
6 215
5.8 231
5.6 268
5.6 239
5.9 212
5.4 410
5.6 256
5.8 306
5.5 259
5.3 284
5.3 383
5.7 271
5.5 264
5.7 227
5.3 263
5.9 232
5.8 220
5.8 246
5.9 241
Coefficient (b1) -98.94437421 816.8185841 Intercept Coefficient(b0)
Standard Error 38.74829673 219.4387808 Intercept Standard Error
R Square 0.228623432 44.49028967 Standard Error
F 6.520441133 22 Residual df
Regression MS 12906.46908 43546.48925 Residual MS