Purchase Solution

# Regression Analysis / Standard Deviation : New Car Sales

Not what you're looking for?

1. The data in the excel spreadsheet linked below give the seasonally adjusted value of total new car sales (in millions of dollars) in the United States, total national wage and salary disbursements (referred to here as compensation) (in billion dollars), and the employment level in the non-agricultural sector (in thousands) for 44 consecutive quarters. An auto industry executive wants to know how well she can predict new car sales two quarters in advance using the current quarter's compensation data.

How many data points can she use in a regression analysis using the data provided?

41
42
43
44

2. For a given set of data, the standard deviation measures:

a) The difference between the mean and the data point farthest from the mean
b) The difference between the mean and the data point nearest to the mean
c) The different between the mean and the media
d) None of the above

##### Solution Summary

This solution is comprised of a detailed explanation of Regression Analysis in Excel. In this solution, step-by-step explanation of this complicated topic provides students with a clear perspective of Regression Analysis.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### 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.

##### 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.