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
. Individual Assignment: Inferential Statistics · Access the University of Phoenix Material, "Data for Inferential Practice Problems." Continue using the information from Inferential Practice Problems Part I and determine the following using the Excel® Analysis ToolPak? when necessary: · Calculate all
Plot the data on U.S. general aviation shipments (b) Describe the patterns and discuss possible causes.(c) Would a fitted trend be helpful? Explain. (d) Make a similar graph for 1992-2003 only. Would a fitted trend be helpful in making a prediction for 2004? (e) Fit a trend model of your choice to the 1992-2--3 data (f) make a f
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
Practice Problems For an Excel Chart a. Determine the types of measurement scales for each variable (Nominal, Ordinal, Interval, Ratio): 1) Name 2) Gender 3) Absences 4) Physical Education (PE) 5) Math 6) Writing 7) Reading b. Determine the number of boys and girls in the class and create a bar graph or pie chart to d
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?
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
Details: The data set for our course is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: DataSet with DataSet Key which contains the following nine sections of data that will be used throughout our course: (1) Gender (2) Age (3) Department (4) Po
Fixed costs per day are $20, the variable costs $0.16. Selling price $1.50. Generate a net income of $100 or greater? Using the formula where NI = net income, U = units sold, P = price per unit, VCu = variable costs per unit, and FC = fixed costs.
What are common practices in writing literature reviews to avoid because they are forms of plagiarism? What should be done instead? How would you organize your literature before writing a lit review?
Attached are questions about applied research. I need assistance please
3-21 The following is a set of data for a population with N=10; 7 5 11 8 3 6 2 1 9 8 a. compute the population mean b. compute the population standard deviation 3-37 The following is a set of data from a sample of n=11 items X 7 5 8 3 6 10 12 4 9 15 18 Y 21 15 24 9 18 30 36 12 27 45 54 a. Compute t
Using AIU's large database of survey responses from the AIU data set, complete the following: Perform hypothesis testing on one variable's data. (Choose either the intrinsic or extrinsic column.) Perform a t-test by formulating a null and an alternative statement, choosing an acceptable significance value, determining the app
Please see the attached document to answer questions I am having a hard time understanding. From attachment: 1. What are major quantitative design types? Name at least three types and provide a published example of a study for each type. 2. What different types of variables are used in quantitative studies? Describe ea
O Collect your data. o Present your data in one of the four appropriate general response types (rating, ranking, categorization, or sorting). o Classify your findings in order of power (nominal, ordinal, interval, and ratio). Do not discuss your analysis at this time. ? Include an Excel® workbook containing your data.
A list of 52 employees is below. 1) please compute the mean, median, and standard deviation of the list of the 52 employees. 2) Use excel to choose a simple random sample of size 15 from this frame. 3) please compute the mean, medium, and standard deviation of the annual salaris for the 15 employees included in the si
A small town is in a population decline. The town manager has discovered that the town's population is decreasing exponentially at 6% annually. Based on this trend, the town population has decided that if the population falls to 1,000 or less, they cannot pay the town manager's salary. A) If the 2003 population is 12,345 peo
Confidence Intervals for the Mean (Large Samples) Find the critical value zc necessary to form a confidence interval at the given level of confidence. (References: definition for level of confidence a. 95%= b. 75%=
The Springdale School board has made the decision to close one its junior high schools (seventh and eight grades) at the end of the school year and reassign all of next year's students to one of the three remaining junior high schools. The school district for the closed school has been divided into five areas as shown in the ta
5. In the transportation problem on the next page, products are produced at plants in Locations A and B and shipped to warehouses in locations X, Y and Z. 5a. According to the model formulation, what is the capacity of Plant B? _________ 5b. According to the model formulation, what is the demand at warehouse Z? ________
1. Draw the PERT network, identify the earliest and latest start time for each activity and the amount of slack for non-critical activities Completion Immediate Earliest Latest Amount Activity Time Predecessor Start Start
In 1990, the population of Austin, Texas, was 494,290. During the next 10 years, the population increased by about 3% each year. A. Write a model (equation) showing the population, P, in thousands of Austin t years after 1990. B. What was the population in 2000? Show your work. C. Estimate the year when the population
As the production manager for an electronic circuit company you have encountered the following situation. Part 1 A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently produced. What are the upper and lower control limits for a samp
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Hello. I need help towards this one problem only. It tends to be confusing to me. Please can anybody help me? Determine whether a probability distribution is given. In those cases where a probability distribution is not described, identify the requirements that are not satisfied. In those cases where a probability distributio
The monthly average low temperatures* during different months of year at Denver, CO are given below: January February March April May June 5 8 18 29 40 50 July August September October November December 55 53 44 32 24 12 Source: www.weather.com Word-process your solution and answers below. a) Find the mean year
Below is some data from 2005 for on-the-job deaths in some dangerous jobs. Which job seems the most dangerous? Which seems the least dangerous? Explain. total deaths total employed Driver 993 3,412,370 Farmers 341
The life span of a battery is normally distributed, with a mean of 2000 hours and a standard deviation of 30 hours. What percent of batteries have a life span that is more than 2065 hours? 1. 3% 2. 2.6% 3. 1% 4. 1.5%
1.22 The U.S. Census Bureau site, www.census.gov,contains survey information on people, business, geography, and other topics. Go to the site and click on Housing in the "People and Households" sections. Then click on American Housing Survey. a. Briefly describe the American Housing Survey. b. Give an example of a categor