I do not understand this research and statistics at all but I'm starting to learn about the different types of research and about reliability and validity. I would appreciate any help you can give. Thank you so much! What are some examples of descriptive statistics? Why are they used in research? List the three measure
Please see attachment This research could affect the players of Major League Baseball (MLB) and the fans. The teams that have a lower salary have a lower win rate per year this affects there draft pick they cannot afford well-known plays with high batting averages. These teams have to pick medioka players during the draft, ca
I need help with inputting data into SPSS and running some analysis
What are descriptive statistics? What are inferential statistics? How are each used in quantitative studies? What different types of variables are used in quantitative studies? Describe each type of variable and how they differ.
Assignment: Week 1 Ch 1 1. A quality-control manager randomly selects 90 bottles of vinegar that were filled on September 21 to assess the calibration of the filling machine. What is the population in the study? A. Bottles of vinegar produced in the plant. B. Bottles of vinegar produced in the plant on September 21. C. T
Three quantitative reasoning statistics questions. Problem 1: The following frequency table reports the number of employees in company using frequent flier miles (in thousands) during the first half of 2008. Table 1. Frequent Flyer Data Frequent Flier Miles (000) Number of Employees 0 up to 5 10 5 up to 10 22 10 up
I am trying to understand the meaning of data mining? What is data mining? I'm thinking it's like a huge warehouse that stores data. Is it possible to provide an example? Can you also recommend any literature about data mining? I would also like to know what type of research situation would use only descriptive statistics
A) Run descriptive stats on the data. b) Comment on the results and interpret them; what do they indicate?
The following table gives the percentage of high school seniors who took the SATs in the academic year ending in 2003 for a group of 14 southeastern states and Washington DC. State % Taking the SAT MS 4 AR 6 LA 8 AL 10 KY 13 TN 14 WV 20 SC 59 FL 61 GA 66 MD 68 NC 68 VA 71 DE 73 DC 77 a) Run descriptive
See attached file. The table below shows fictitious data about the number of survivors and percentage survival of breast cancer victims in March 1999. The data are grouped according to the extent of the disease at the time of diagnosis and the type of hospital (provincial or teaching) where the woman was treated. Extent of
1. Please share 2 real world examples where you believe Statistics was "abused" or "mis-used" to further a point or a cause. These can be intentional or intentional cases. Again, if you do not have examples from your organization, please feel free to interview someone or research off the net or library. 2. How could you use
The insurance department at Shear's has two agents, each working at a mean speed of 8 customers per hour. Customers arrive at the insurance desk at a mean rate of one every six minutes and form a single queue. Management feels that some customers are going to find the wait at the desk too long and take their business to Word's,
When is the mean the best measure of central tendency? When is the median the best measure of central tendency?
When would you use descriptive statistics rather than inferential statistics? Provide a specific scenario and explain your rationale.
See attached file. Assume you are researching about housing in a neighborhood encompassed by 5 townships in the attached Real Estate Data Set (Excel). Evaluate if the distance from center of town the homes are located creates a positive, negative or neutral change in the price of the home. Data analysis using descriptive
See attached Minitab sheet for use with one of the questions. Please us either Excel or Minitab to answer the questions, where necessary 1. The following information regarding the top eight Fortune 500 companies was presented in a recent issue of Fortune Magazine. Sales Sales Profits Profits Company
1. Download time series of daily and monthly prices for IBM for 1963-2009. 2. Compute the sample mean, median, variance, skewness, kurtosis, min, and max for continuously compounded, i) daily and ii) monthly returns. Compare the same for simple returns. a. Are there any differences in skewness of daily and monthly returns?
Instruction: ? a) Plot the data ? b) Discuss the pattern and possible causes ? c) Would a fitted trend be helpful? ? d) Does 1992-2003 graph suggest fitted trend can predict 2004? ? e) Fit a trend model to 1992-2004 data ? f) Make a forecast for 2004 ? g) Why is it best to ignore earlier data? The t
The first part of this Application is your analysis using SPSS. To conduct your quantitative analysis, use your course text, (a) Selecting appropriate variables based on type (nominal, ordinal, or scale), calculate descriptive statistics. At the very least, calculate a mean, median, and standard deviation. Be sure to save
A new machine has just been installed to cut and rough-shape large slugs. The slugs are then transferred to a precision grinder. One of the critical measurements is the outside diameter. The quality control inspector randomly selected five slugs each hour, measured the outside diameter, and recorded dthe results. The measurement
A new machine has just been installed to cut and rough-shape large slugs. The slugs are then transferred to a precision grinder. One of the critical measurements is the outside diameter. The quality control inspector randomly selected five slugs each hour, measured the outside diameter, and recorded the results. The measurements
In a study of job satisfaction, a series of tests were administered to 50 participants. The following data were obtained; higher scores represent greater dissatisfaction: Use the data of this question to calculate the following: 1. Frequency dist. 2. Relative frequency dist. 3. Cumulative frequency dist. 4. Histogram
The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 4 hour periods. Below is the sample: 61 58 67 52 25 64 38 49 51 61 58 61 27 61 58 34 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st quartile and 3rd and
The Dreskin Development Company is building two apartment complexes. It must decide how many units to construct in each complex subject to labor and material constraints. The profit generated for each apartment in the first complex is estimated at $900, for each apartment in the second complex, $1,500. A partial initial simplex
The Roller Products Company produces roller skates and skateboards. It has three production lines. Production line 1 makes skateboard platforms. Production line 2 makes skate assemblies. Production line 3 mounts wheels on both products. The marketing department has determined virtually unlimited demand for both products. Profit
Build a transportation model in Excel and use Excel's Solver to determine the optimal daily flight schedule that will minimize total transport time.
Transportation Model. The following table shows the number of planeloads of supplies available each day from each of six supply depots and the number of daily loads demanded at each of five stores. (Each planeload is approximately equal in tonnage.) Also included in the table are the transport hours per plane (where transport ho
1. Suppose we collected data from each person in the class on the number of years since their last math class and their anticipated grade for this statistics class. Determine whether descriptive or inferential statistics would be used to answer each of these research questions: a. What is the average number of years since th
It is the new season of the "Masterchef Australia" 2 TV programme. In the grand opening of the first episode, audiences are presented with a one-time-in-history-only re-match cooking bout between Julie (last season's winner) and Poh (the runner up). This time however, both contestants cook for a buffet (i.e. cook in bulk) as
# 16 A random sample of the number of farms (in thousands) in various states follows. Estimate the mean of farms per state with 90% confidence. 47 95 54 33 64 4 8 57 9 80 8 90 3 49 4 44 79 80 48 16 68 7 15 21 52 6 78 109 40 50 29 Answer - #24 A pizza shop o
What are the pros and cons of selecting an established theoretical or conceptual model or framework? What are the pros and cons of creating/developing your own?
Statistic 1. For each case below, choose the most appropriate statistical procedure... 2. Identify the scale of measurement in each of the following ... 3. For the following set of scores, prepare a frequency distribution, a histogram, and a stem-and-leaf display ... (File attached)
1. For each case below, choose the most appropriate statistical procedure: a. A teacher of a low-level reading group is interested in what the average score is for the group of 25 students. b. An administrator wants to find out if there is a relationship between teacher absences and student achievement. c. A math teacher want