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Confidence Interval Examples

34

Topic: Homework problems for Confidence Intervals (Statistics)
Details: This is a collection of a handful of statistics problems that ask for Confidence intervals. Specifically, this is broken up 3 ways: Confidence interval for mean (sigma known), Confidence interval for mean (sigma unknown), and proportion. There are many...
Tags: statistics, analysis, confidence interval, alpha

Statistics calculator in EXCEL (Saves Time!)

39

Topic: Simple Excel calculator to compute: Confidence intervals, Hypothesis Tests, and sample size
Details: One of the biggest complaints about a statistics course (obviously, there are many complaints) is the tedious work of entering the same equation over and over (and over and over). This Calculator will take away a lot of that tedious work associated with a...
Tags: Statistics, Confidence Interval, Hypothesis testing, test statistic, z, t distribution

Math 221 Week 6 Lab - Solutions

72

Topic: Assignment uses Minitab for confidence Intervals
Details: Solutions for Math221 Week6 Lab. Done for the Spring 2012 Semester and the data hasn't changed in 2 years. Normally gets a 95%-100% depending on the teacher grading. You are advised to change the wording of the solutions.
Tags: Math221, Statistics for Decision Making, Lab

MGMT 600 – Applied Managerial Decision making final examination

130

Topic: Applied Managerial Decision Making
Details: The exam was as follows: MGMT 600 – APPLIED MANAGERIAL DECISION MAKING FINAL EXAMINATION In completing this exam, you have a choice: EITHER (1) Answer any four questions OR (2) Answer any three questions and attach a copy (not a link, a copy) of...
Tags: Applied Managerial Decision making, final examination, statistics exam

Calculation of future gas prices using linear regression

132

Topic: linear regression
Details: Calculate the mean yearly value using the average gas prices by month found in the “Final Project Data Set.” Using the years as your x-axis and the annual mean as your y-axis, create a scatterplot and a linear regression line. Answer the following ...
Tags: linear regression, statistics, scatter plot, slope intercept

Business Statistics with Computer Applications II MS 3043

134

Topic: Regression Analysis in Excel using two variables
Details: The project requirements were as follows: Project Requirements – Fall 2011 – Due: November 22, 2011 Business Statistics with Computer Applications II (MS 3043) 1. Go to this site: [link removed] 2. Determine which one of the three variables you want ...
Tags: Business Statistics, Computer Applications, MS 3043, Regression Analysis, Excel, two variables

STAT 200 full Homework Solutions

143

Topic: Homework assignment for College Statistics class STAT 200
Details: The complete homework assignment included 30 questions that are reproduced below. Please note that tables have not been rendered correctly from the scanned text. STATISTICS HOMEWORK Refer to the following table for Questions 1, 2, and 3. The table...
Tags: Homework assignment, College Statistics, STAT 200

Statistical Analysis of Hospital Patient Data

159

Topic: Statistical Analysis of Hospital Patient Data
Details: The question file for the project was as follows: Hospital Charges Data: The data set Hospital.xls includes 289 patient records for normal deliveries of babies. The variables are as follows: DAYS = days in the hospital (Column A) CHRGS = total expe...
Tags: Statistical Analysis, report, Hospital Patient Data

Statistics Solutions

160

Topic: Statistics Solutions Chapter 9
Details: The questions for the assignment were as follows: 1. In the US legal system, a defendant is presumed innocent until proven guilty. Consider a null hypothesis, Ho: that the defendant is innocent, and an alternative hypothesis, Ha: that the defendant i...
Tags: Statistics, solutions, word problems

Two Statistics Tests

161

Topic: MCQ test answers for statistics tests
Details: The answers to two statistics tests are presented in this solution. Please note that only the answers to the multiple choice questions are given and NOT to the problems which require working. The complete list of questions can be found in the assoc...
Tags: MCQ, test answers, statistics, test, exam

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