1. Fit a straight line equation to predict the number of errors from the number of hours without sleep. 2. Suppose a subject went 30 hours without sleep. Predict the number of errors they would make...

Extracted text: 1. Fit a straight line equation to predict the number of errors from the number of hours without sleep. 2. Suppose a subject went 30 hours without sleep. Predict the number of errors they would make using the model from (1).


Extracted text: A study was conducted to determine the effects of sleep deprivation on subjects' ability to solve simple problems. A total of 5 subjects participated in a study. After his or her sleep-deprivation period, each subject was administered a set of simple addition problems and the number of errors was recorded. The results shown in the following table, were obtained. Nr of Errors Nr of Hours without Sleep 6 8. 10 12 14 16 12 20 12 24 The questions follow on page 2. Answer all questions in the spaces provided.