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Quantative Analysis of Data

DESCRIPTIVE STATISTICS

I am doing a paper on Descriptive Statistics and its on Baseball players salaries. Can you tell me what these means: 1.Calculate the measures of central tendency and dispersion. (can you simplify this for me and give me an example) it will help me to stay on the right track. 2. Display your descriptive statistical da

I need HELP answering questions on DESCRIPTIVE STATISTICS

Hi, I need your HELP with my research paper on the salary of the baseball players. these are the questions I need HELP with: 1.Examing the measures of central tendency. 2. Display the discriptive statistical data using graphic and tabular techniques. 3. Which measures are the most appropriate from which to draw conc

Random Stats questions

The production manager for the Whoppy soft drink company is considering the production of 2 kinds of soft drinks: regular and diet. The company operates one "8 hour" shift per day. Therefore, the production time is 480 minutes per day. During the production process, one of the main ingredients, syrup is limited to maximum produ

Question about Research Terminology- Match Definitions with Terms

DEFINITIONS: 1. a research study done over a period of time. 2. To use focus groups or small studies to get a "feel" for the problem _______. 3. It means in name only. Used on surveys to identify the population being sampled_____> 4. Using basic research methods, the outome of the research is applied to a business problem.

Quantitative Methods and Linear Programming

Please refer to the attached file for instructions. Thanks! --- #3: Given a transportation problem with the following costs, supply, and demand, find the optimal solution using the computer. To From 1 2 3 Supply A $6 $7 $4 100 B 5 3 6 180 C 8 5 7 200 DEMAND 135 175 170 #7: Steel mill

Integer Programming Model: Pottery Problem

Helen Homes makes pottery by hand in her basement. She has 20 hours available each week to make bowls and vases. A bowl requires 3 hours of labor, and a vase requires 2 hours of labor. It requires 2 pounds of special clay to make a bowl and 5 pounds to produce a vase; she is able to acquire 35 pounds of clay per week. She sells

Quantitative Methods Exercises

Problem #5: The Southern Sporting Goods Company makes basketballs and footballs. Each product is produced from two resources - rubber and leather. The resource requirements for each product and the total resources available are as follows. Resource Requirements per unit Product Rubber (lb) Leather ( ft2 ) Basket

Quantitative Methods

A jewelry store makes necklaces and bracelets from gold and platinum. The store has 18 ounces of gold and 20 ounces of platinum. Each necklace requires 3 ounces of gold and 2 ounces of platinum, whereas each bracelet requires 2 ounces of gold and 4 ounces of platinum. The demand for bracelets is no more than 4. A necklace ea

Variability, with range, standard deviation, and cariance

1. Calculate SS, variance, and standard deviation for the following sample: 4, 7, 3, 1, 5 2. Find the range for the following population of scores: 3, 4, 4, 1, 7, 3, 2, 6, 4, 2 1, 6, 3, 4, 5, 2, 5, 4, 3, 4 3. Construct a frequency distribution table for the following sample data. Calculate the mean, sum of s

Calculating mean, critical t-value, sample size

1. A local bank needed information concerning the checking account balances of its customers. A random sample of 15 accounts was checked. The mean balance was $686.75 with a standard deviation of $256.20. Find a 98% confidence interval for the true mean. Assume that the account balances are normally distributed. 2. Find t

This problems is about Mean, Median, Mode, Range, and Standard Deviation

Using the following data points (6, 6, 8, 12, 11, 9, 6, 7, 8, 10), create a situational context for the data (for example: the data points represents the number of miles I jogged during my last 10 workouts or the number of applicants that successfully passed the call center simulation to get a face-to-face interview, from Feb 1

Unbiased Estimator of Teta

Let X1, X2, X3......Xn represent a random sample from the Rayleigh distribution with destiny function given exercise 15. Determine: a) The maximum likelihood estimator of theta and then calculate the estimate the vibratory stress data gven in the exercise. Is this estimator the same as the unbiased estimator suggested in Ex

Inferences and Assumptions

An experiment was conducted to compare the effects of two teaching styles for grade 12 mathematics. The individuals in experiment were grade 12 math students from one particular high school. The students were randomly assigned of the two treatment groups. After 3 week course all students took an identical standardized exam. The

Median and Percentile

Kevin Horn is the national sales manager for National Textbooks, Inc. He has a sales staff of 40 who visit college professors all over the United States. Each Saturday morning he requires his sales staff to send him a report. This report includes, among other things, the number of professors visited during the previous week. Lis

Rate of Return Problem

18.) Portfolio Analysis. Use the data in the previous problem and consider a portfolio with weights of .60 in stocks and .40 in bonds. a.) What is the rate of return on the portfolio in each scenario? b.) What is the expected rate of return and standard deviation of the portfolio? c.) Would you prefer to invest in the por

RHI Management Resources

RHI Management resources conducted a survey of 1400 chief financial officers. When asked how much an impact interest rates have on the purchasing decisions they make for their company, 672 reported that they have little or no impact, 700 financial officers stated that interest rates have a significant impact or somewhat signifi

Job Satisfaction of Employees

The data set for our course is available via the following link DataSet and contains the following eight sections of data that will be used throughout our course: (1) Gender (2) Age (3) Department (4) Position (5) Tenure (6) Overall Job Satisfaction (7) Intrinsic Job Satisfaction - Satisfaction with the actual performance of

Statistics of Weekly Overtime Hours

The weekly overtime hours worked by all the employees at the Publix Market are: 1, 4, 6, 12, 5, and 2. a. Is this a sample or a population? b. What is the mean number of overtime hours worked? c. What is the median? Interpret. d. What is the mode? e. What is the mean deviation? f. What is the standard deviation? g. What i

Confidence levels for Bradford Electric Illuminating Company

(See attached file for full problem description) --- The Bradford Electric Illuminating Company is studying the relationship between kilowatthours (thousands) used and the number of rooms in a private single-family residence. A random sample of 10 homes yielded the following. Number of Kil

Scientific Instrument Company

1. The precision Scientific Instrument Company manufactures thermometers that are supposed to give reading of 0 Celsius at the freezing point of water. The tests on a large sample of theses thermometers reveal that at the freezing point of water, some give reading below 0 Celsius. Assume that the mean reading in 0 Celsius and th

Standard deviation

There are three values: 2.15*10^-18, 1.97*10^-18, 2.48*10^-18. Average value is 2.20*10^-18 Find the standard deviation to correct number of significant figures. Standard deviation should be reported to same power as the average value.

SPSS and Numeric Codes

Enter the following dataset into SPSS. Create numeric codes for the nominal variables, then use "values" to show the meaning of the numbers: ID Age Jog_YN Weight Take_Vit 1 20 N 180 Y 2 30 N 150 N 3 33 N 175 N 4 40 N 163 N 5 41 N 190

Distributions & quantitative analysis

I need verified on the following questions. Please identify the correct answers. The primary purpose of quantitative analysis should be to gain a greater understanding of the problem, not to automate decision making. True False Managers do not need to be familiar with the limitations, assumptions, and

New York Yankees Salary Analysis

I need some help with calculations in these three questions: A. Determine the mean, median, and the standard deviation. b. Determine the coefficient of skewness using Pearson's method c. Determine the coefficient of skewness using the software method. Listed below are the salaries for the New York Yankees for the year

A step by step example of how to figure standard deviation using numbers.

I have lots of data -21 people with various info on each- I need to compare data for each via gender, age, etc.. but my problem is that I need to do this by using standarad deviations- I have tried numerous sites to figure how to do this- But every site uses charts- I need an example that is similar to my problem-using #'s not c

BIOSTATISTICS

2.A group of 25 subjects have their diastolic blood pressures measured. The results, in SPSS are: |-----------|-------|--------| |N |Valid |25 | |-------|--------| | |Missing|0 | |-----------|-------|--------| |Median |85.00 | |-------------------|--------| |Mode |82.00 | |--

Summary statistics-mean, median, mode, first quartile, third quartile, range, interquartile range, 90th percentile, shape of the distribution, skewness, sample variance and sample standard deviation, coefficient of variation, grouped data

2. (no explanation required) suppose we have a set of sample data. For each quantity listed below, could the quantity be negative? (For each quantity, answer Yes or No.) Quantity Possibly Negative? (Yes or No) Arithmetic Mean Standard Deviation Frequency Median Mode Range First Quartile Interquartile Range

Statistics questions - normal and continuous

1. What are the characteristics of a normal distribution? 2. List some examples of continuous data. 3. What is the name of the distribution that measures the number of occurrences of an event during specified intervals? 4. What would be the characteristics of a binomial distribution? 5. A population consists of t