Confidence Interval
Please see the attached file for full problem description.

corporation that maintains a large fleet of company cars for the use of its sales staff is interested in the mean distance driven monthly per sales person. The following table gives the monthly distances in miles driven by a random sample of sales persons:
2618, 2106, 2410, 2010, 2491, 2287, 2292, 2045, 2054, 2689, 2206, 2678, 1854, 2670.
Based on this sample, find a confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normally distributed. Then complete the table below.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
1. What is the lower limit of the confidence interval? ____
2. What is the upper limit of the confidence interval? ____
https://brainmass.com/statistics/confidenceinterval/confidenceinterval14327
Solution Preview
The formula of confidence interval for the mean number is
M+t*SE
Where M is the mean of the data and M= ...
Solution Summary
The solution answers the question(s) below.
Free BrainMass Quizzes

Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.

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

Know Your Statistical Concepts
Each question is a choicesummary 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.

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.