MATH 302

MATH 302 WEEK 1 EXAM Question number 1 A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter. X = number of days a Lake Tahoe Community College math student is absent The instructor’s sample produces a mean number of days absent of 3.5 days. This value is an example of a: variable statistic data parameter Correct Question number 2 “Duration (amount of time)” is wha...

MATH302 WEEK 7 TEST Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of Correlation 2.0/ 2.0 Points Question 1 of 20 1.0/ 1.0 Points The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the residuals is 0.52. Does a case with the values x = -1.59, y = 5.78 qualify as an outlier?  A. Cannot be determined with the given information  B. No  C. Yes Answer Key: C Feedback: Plug in -1.59 for x. y = 5 + .3*-1.59 ...