Linear Regression - Guided Practice #1 - Below is a table showing the U. S. Federal Reserve's prime interest rate on January 1 of
various years. Determine the linear regression equation and the correlations coefficient.
Use zero for the initial year.
2006
7.25
YEAR
PRIME RATE (%)
Source: Federal Reserve Board
2007
8.25
2008
7.25
2009
3.25
2010
3.25
Select the correct answer from each dropdown menu.
Linear regression equation is [Select]
Correlation coefficient, r = [Select ]
Strength of ris [ Select]

4sqrt5

step-by-step explanation:

the base has dimensions of 8 x 4, so the diagonal is 64 + 16 square rooted or 4sqrt5.

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

5

step-by-step explanation: