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# Statistical Figures

### Statistics: Scale of Measurement, Frequency Distribution, Histogram, Pie Chart, Stem and Leaf Plot, Graph, Scatter Plot

Please refer to the attached Excel Sheets fo the data. 1. For the following variables, state what kind of measurement is being used? (Nominal, Ordinal, Interval, Ratio) a. Geographic Region b. Control c. Payroll Expenditure 2. Create a frequency distribution for the 'beds' var

### Understanding Graphs

Please help with the following discussion in at least 400 words. How can different graphs about the same data be used to encourage children's progression in understanding graphs?

### Control Chart LCL UCL: Control limits for X-bar chart; X-chart and R-chart - resistors

In OPS571, Week 5, DQ Ch. 13, 14, & 16 of Operations Management for Competitive Advantage. In preparation for this week's paper, let's step back to Technical Note 8 - Process Capability and Statistical Quality Control 1. Start by walking through Example TN8.3 2. Using data in Technical Note 8, Problem 6: What are

### Statistics in the Health Care Field

Please see the attached file. Identify the type of chart or graph and what this type of chart or graph is usually used to depict. Was the proper graph or chart used to represent this data? Why or why not? Was this the best way to display the data? What other types of graphs could have been used? Is the scope and scale of the

### Design an R-chart and X-bar for Canine Gourmet Company. Is the process in control? (See attachment).

The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box-filling line to be set so that the process average weight per packet is 43.5 grams. To make sure the process is in control, an inspector at the end of the filling line periodically selects a random box of eig

### Histogram for shopping times

Histograms for grouped data Here are the shopping times (in minutes) for a sample of 21 shoppers at a particular clothing store: 26, 23, 44, 41, 38, 35, 31, 28, 25, 22, 43, 40, 37, 34, 31, 43, 43, 43, 39, 39, 36 Draw the histogram for these data using an initial class boundary of 21.5 and a class width of 5. Note that

### Statistical Analysis: Prepare chart analyzing AIU data on job satisfaction. Statistics and its contribution to the success of an organization

See attached files. Looking at the following problem, I'm a little unclear on how to calculate the information that is needed. I am comfortable with writing an email but I am a little unclear on how to calculate correctly. Please assist so I am able to complete the project on my own. Using our data set from Unit 1, com

### Line Graph, Trends, and Forecasting: Computer Virus Example

(a) Make an Excel line graph of the data on computer viruses. (b) Discuss the underlying causes that might explain the trend or pattern. (c) Fit three trends (linear, exponential, quadratic). (d) Which trend model is best, and why? If none is satisfactory, explain. (e) Make a forecast for 2003, using a trend model

### Regression Analysis: AIU benefits data. Construct charts and diagrams

See attached files. Prepare a report using Excel as your processing tool to process three simple regression analyses. First run a regression analysis using the BENEFITS column of all data points in the AIU data set as the independent variable and the INTRINSIC job satisfaction column of all data points in the AIU data set

### Sketching a graph showing the line for an equation

Sketch a graph showing the line for the equation Y=-2X+4. On the same graph, show the line for Y=X-4. Use the values 0, 1, 2,3, & 4 (or any values of your choice) into both equations. In excel, write the data as follows then draw the graph: Y1 Y2 0 4 -4 1 2 -3 2 0 -2 3 -2 -1 4 -4 0

### Frequency Distribution Table, Stem and Leaf Plot, Histogram, Z-Score and other Problems

[Please see attachment for data and charts] 1. Identify each number as either continuous or discrete. a. The average speed of cars passing a speed trap on the Maine Turnpike between 3 PM and 6 PM on a given Monday. b. A census taker wants to know the number of Maine families with preteens. c. The temperature of the oc

### Scatter Plot, Trendline Equation, Correlation and Regression

1. Make an Excel scatter plot. What does it suggest about the population correlation between X and Y? Part-Time Weekly Earnings (\$) by College Students Hours Worked (X) Weekly Pay (Y) 10 93

### Particular graphs: bar, column, pie, line, XY

There are several different types of graphs including bar charts, column charts, pie charts, line charts and XY graphs, to name the most commonly used. Under what circumstances would you choose to use each one of them?

### Elementary statistics

If X = 2.0144, R = .0972,and 25 subgroups of size 5,(show all work) _ a. Find the UCL and the LCL for the X Chart. b. Find the UCL and the LCL for the R-Chart

### Performance: Control Chart for Process Mean

13-14 Boston-based Legal Seafoods prides itself on having instituted an advanced quality control system that includes the control of both food quality and service quality. The following are successive service times at one of the chain's restaurants on a Saturday night in May 2007 (time is stated in minutes from customer entry t

### Statistics: 20 TF & multi choice; key items to initiate a quality improvement program

Please help and advise with the following questions: 1. External customers define the quality of the people, processes, and environments associated with the products and services. a. 0 True b. 0 False 2. At the end of World War II the U.S. realized that in order to succeed in the manufacturing sector they would have to

### Statistical Quality Control for Crunch Potato Chips Company

Crunch Potato Chips Company Bag Volume in Ounces Sample Number Observation 1 Observation 2 Observation 3 Observation 4 Average 1 12.50 12.30 12.60 12.70 12.53 2 12.80 12.40 12.40 12.80 12.60 3 12.10 12.60 12.50 12.40 12.40 4 12.20 12.60 12.50 12.30 12.40 5 1

### Supply and Demand for Wheat

Suppose the total demand for wheat and the total supply of wheat per month in the Kansas City grain market are as follows: Thousands of Bushels Price per Bushel Thousands of bushels Surplus(+) or shortage(-) 85 \$3.40 72 ____ 80

### Statistics: Plotting Charts in Excel, Scatterplots

Topic 2, Problem 5 - The following table gives information from a sample of college students: gender, number of children in family of origin, and number of children in their ideal family, in which they may someday be a parent. Gender Origin Ideal F 2 2 M 3 2 M 4 3 F 2 2 F 4 3 M 5 5 F 3 3 F 2 3 F 2 2 F 4 4 M 3 3 F

### Statistics: Detailed Example of a Control Chart

Need an example of a control chart and please be detailed.

### Statistical Process Control - Control Limits

Complete the statistical process control for the following data (in minutes)? Explanation of the control limits and significant confidence intervals. ........................Week 1....Week 2.....Week 3.....Week 4......Week 5 Day 1................ 18.............18............17..............18...............17 Day 2.....

### Confidence Interval for Mean & Line chart

Find a confidence interval for µ assuming that each sample is from a normal population. a. x-bar = 24, s = 3, n = 7, 90 percent confidence b. x-bar = 42, s = 6, n = 18, 99 percent confidence c. x-bar = 119, s = 14, n = 28, 95 percent confidence A random sample of 16 pharmacy customers showed the waiting times below

### Descriptive Statistics Problems using SPSS

Unit 1 Homework: Summarizing and Describing Data This homework requires both SPSS and your calculator. There are very specific and helpful guidelines for doing this type of homework located in the Graphing Tutorial in Unit 1. Submit only one file for the entire homework into the gradebook. Either create text boxes in SPSS an

### Statistical Process Control: Compute upper and lower control chart limits

See attached file. Factors for computing control chart limits (3 sigma) for this problem Cordelia Barrera is attempting to monitor a filling process that has an overall average of 715 cm3 The average range R is 6 cm3 For a sample size of 10 the control limits for 3-sigma x-bar chart are: Upper Control Limit (UCL x-bar

### Statistical Process Control: factors for control limits (Please see attached problem).

Please see attached problem. Refer to table - Factors for computing control limits (3 sigma) for this problem. Twelve samples, each containing five parts, were taking from a process that produces steel rods. The length of each rod in the samples was determined. The results were tabulated and sample means and r

### Statistical Process Control (SPC): control limits (Please see attached problem).

Refer to table below - Factors for computing control chart limits (3 sigma) for this problem. A process that is considered to be in control measures an ingredient in ounces. Below are the last ten samples ( each of size n=5) taken. The population standard deviation is ... (Please see attached problem).

### Graphing Constraints: Feasible Region

Question: Graph the following costraints (use graph for yourself) 1) 3x1 + 3x2 <= 300 2) 6x1 + 3x2 <= 480 3) 3x1 + 3x2 <= 480 x1 & x2 >= 0 a) Do we have Feasible Region? b) Identify the value of each point of feasible area. Explain in detail.

### Pelican Stores Case

Pelican Stores, a chain of women's apparel stores operating throughout the country, recently ran a promotion in which discount coupons were sent to customers of related stores. Data collected for a sample of 100 in-store credit card transactions during one day in November 2002 are contained in the file named Pelican. Table 3.14