**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

**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

**Topic:**
Statistics, Testing, Regression

**Details:**
Hypothesis Testing
1. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 250 observations from population 1 (dual degree students) a...
**Tags:**
Linear Regression, T-Test, Z-Test

**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

**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

**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

**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

**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

**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

**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