Regression analysis
Not what you're looking for?
6. Given the following:
Salary (in Thousands) annual absences
22 2.3
23 2.0
25 2.0
27 1.8
31 2.2
32 1.5
34 1.2
37 1.3
40 0.6
a. Graph the data
_
b. What is x
_
c. What is y
d. Find b0
e. Find b1
f. Determine the equation of the line of best fit
g. Is there a strong relationship?
h. Estimate the average number of absences for someone earning $28,000.
i. Estimate the average number of absences for someone earning $36,000.
Purchase this Solution
Solution Summary
The solution provides step-by-step method for the calculation of regression coefficient and correlation coefficient. Formula for the calculation and Interpretations of the results are also included.
Solution Preview
Please see the attached word file.
6. Given the following:
Salary (in Thousands) annual absences
22 2.3
23 2.0
25 2.0
27 1.8
31 2.2
32 1.5
34 1.2
37 1.3
40 0.6
a. Graph the data
Salary :X Annual absences ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.