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Descriptive Statistics

Simplified application of Descriptive Statistics and analysis

I am looking for the best simplified method for applying "Descriptive Statistics" to analysis of these 3 types of questions. This is not a statistics class but a portion of an assigned graduate level assignment. I need to determine the best statistical method to use and recommendations for graphing which will be inserted into th

Experiment design, results, and interpretation

A completely randomized (CRD) experiment was conducted in a glasshouse to test whether mature sugar beet roots are heavier when using a new fertilizer (A). Twenty pots of equal size were filled with the same compost and randomly placed on the bench in two parallel rows as shown below. To ten of pots the old fertilizer (B) was ad

Decreasing marginal utility of money

6. A widely-used value function to represent the value of total assets to an individual is the natural logarithm of the assets; this means that the value of total assets of amount X is proportional to ln (X) (the natural logarithm of X). This value function is sometimes referred to in economics as the "decreasing marginal utili

You are assisting both Production departments in analyzing transportation capacity. Data has been collected on truck capacity (# of bags), truck weight, and truck age (in years) for the entire fleet. You have been asked to provide the major summary statistics for this information and you realize you will need to provide explanation of terminology as well.

You are assisting both Production departments in analyzing transportation capacity. Data has been collected on truck capacity (# of bags), truck weight, and truck age (in years) for the entire fleet. You have been asked to provide the major summary statistics for this information and you realize you will need to provide explanat

Statistic Questions

1. The national average of women's times in the 1 mile run is 7.5 minutes with a standard deviation of 1.2 minutes. The male national average is 6.75 minutes with a standard deviation of 0.8 minutes. Your Aunt and Uncle decide to race the mile. His time is 8.35 minutes while hers is 9.3 minutes. Using the concept of z-scor

Value Function for Attributes

5. Suppose a customer has a two-attribute value function for cars: cost and quality. Cost can range from $5,000 to $10,000 and quality can range from 0 to 10 (a higher score is better). Over these ranges, these two objectives are equally important to the customer. The value functions are both linear. Which car would this cu


Martin-Pullin Bicycle Corp. (MPBC), located in Dallas, is a wholesale distributor of bicycles and bicycle parts. Formed in 1981 by cousins Ray martin and Jim Pullin, the firm's primary retail outlets are located within a 400-mile radius of the distribution center. Theses retail outlets receive the order from Martin-Pullin with

Descriptive Statistics: Means and Standard Deviations

25. Consider a sample with data values of 10, 20, 12, 17, and 16. Compute the z-score for each of the five observations. 57. A survey of subscribers to Fortune magazine asked the following question: "How many of the last four issues have you read?" Suppose that the following frequency distribution summarizes 500 response

Question about Descriptive Statistics and Graphs

1. A survey on 25 people on how they got news resulted in the following data. M M N M R N N R T T R N T M R R M T N M R N R N T a) Construct a frequency distribution for the data (N = newspaper, T = television, R = radio, M = Magazine) b) Construct a pie graph for the data and analyze the results. 2. Below are

Linear Programming and Sensitivity Analysis Using Solver

Sky Queen (SQ) has hired you to develop its production plan for the next 12 months (September - August.) The objective is to minimize total cost. SQ can hire and fire employees but this action incurs a hiring cost of $600 per employee and a firing cost of $950 per employee. Other relevant costs are: $8.00 per unit produced in

Four multi-part questions

Please see Excel file. a. Compute the mean and standard deviation for the sample data b. Using the mean and standard deviation computed in part 9a) as estimates of the mean and standard deviation of salary for the population of benefits managers with an annual salary between $55,000 and $71,000 c. Develop a histogram f

Clearly define the dependent and independent variables of the shortage of teachers in the United States. The dependent variable is the variable whose value is the result or is a function of the control or independent variables

With more then a million teachers set to retire we are seeing a record number of turnovers in the teaching profession. In a time where student enrollments across America are increasing at a rapid place experts predict that we will need more then two million teachers over the next decade. Clearly define the dependent and indepen

Subject: Quantitative Analysis

A quality characteristic of interest for a tea-bag-filling process is the weight of the tea in the individual bags. If the bags are underfilled, two problems arise. First, customers may not be able to brew the tea to be as strong as they wish. Second, the company may be in violation of the truth-in-labeling laws. In this exa

Calculate the variation ratio for each type of adult offender group.

To examine the continuity and discontinuity in the criminal careers of 7,453 females of low socio-economic status, Tracy and Kempf-Leonard (1996) examined whether these females were nonoffenders, one-time offenders, recidivist offenders, or chronic offenders as juveniles and whether these females became nonoffenders, one-time of

Descriptive statistics for cross-sectional data: term project

Deliverable 1: Descriptive Statistics (10 points) Our main emphasis in the course is "inferential" statistics which means taking samples and drawing an inference or conclusions about the population. Access raw data or a database from government, business, health, and similar official Web sites pertaining to your area of i

Imagine a team of researchers was going to study "you." They would be gathering data from a typical day at your job, your home life, and school. When the data compilation is finished the researchers would conduct an analysis. What would a distribution or a bell curve look like from your day? Give examples of how data from aspect

Density function of a continuous random variable

A continuous random variable X has the following density function: f(x) = x, 0<=x<=1, = (2-x), 1<x<=2. f(x) = x, 0 less than and equal to "x" less than and equal to 1, = (2-x), 1 less than x less than or equal to 2. Full equation on top does not read out on this web site?? See written out problem for clarification. Not

A CPM Problem Project Completion

Develop a network for this data, total project completion time and the critical path: Activity immediate Predecessor Time(days) A - 2 B

Bank Operations Case Study

The workload in many areas of bank operations has the characteristics of a non-uniform distribution with respect to time of day. For example, at Chase Manhattan Bank in New York, the number of domestic money transfer requests received from customer, if plotted against time of day, would appear to have the shape of an inverted U

New York State Security

What is New York city homeland doing to keep the state secured? What action are they taking to keep the state secure from terrorism?

Frequency Distribution

1. The distribution of the grades of the 1st Assignment in the class of Statistics is shown below: [The calculations and the graph for this exercise must be done on Excel. As soon as you get the data on class intervals and frequencies that are shown below, you will create a table on Excel with the necessary detailed column c

Describing Statistical Statements

Please complete the following: A. Identify the population and the sample: A survey of 787 small-business managers found that 72% are optimistic about the future of their company. b. Determine whether the numerical value describes a parameter or a statistic: 19% of a sample of Indiana 9th graders surveyed smoked cigarettes

Sample size

A random sample of 41 basketball players from The Official NBA Basketball Encyclopedia gave the sample standard deviation for player height as s=3.32 inches. How many more players from this encyclopedia should be included in the sample to be 99% sure that the sample mean is within 0.50 inches of the population mean of all player