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Statistical Figures

Applying statistics: a) Treating breast cancer. The most common treatment for breast cancer was once removal of the breast. It is now ... b) Do heavier people burn more energy? Metabolic rate, the rate at which the body consumes energy, is important in ... c) Body mass and metabolic rate. Exercise (b) gives data on the lean body mass and metabolic rate for 12 women ... d) Food poisoning. Below are data on 18 people who fell ill from an incident of food poisoning. The data give ...

A) Treating breast cancer. The most common treatment for breast cancer was once removal of the breast. It is now usual to remove only the tumor and nearby lymph nodes, followed by radiation. The change in policy was due to a large medical experiment that compared the two treatments. Each treatment was given to a separate group o

Sample of Chart/Graph

Sample of Chart/Graph a. Identify the type of chart/graph. Identify what this type of chart is usually used to depict. (e.g., Pie shows portion of the whole, line shows trends over time, etc.) Was the proper chart used to present this data? Why or why not? b. Was this the best way to display the data? Why?

X-bar Control Chart and Capability Index in Excel

Pieces 12.62 12.63 12.62 12.61 12.59 12.57 12.57 12.58 12.61 12.62 12.6 12.56 12.56 12.66 12.58 12.63 12.56 12.57 12.6 12.59 12.62 12.6 12.57 12.62 12.57 12.6 12.61 12.6 12.62 12.62 12.61 12.59 12.58 12.61 12.59 12.6 12.59 12.6 12.6 12.59 12.65 12.6 12.63 12.6 12.56 12.59 12.59 12.61 12.65 12.56 Questions 1

Excel

Details: Your regional manager is impressed with how you have used spreadsheets to assist your small company in saving time and more accurately figuring out payroll amounts. The manager has asked you to share your knowledge with the other supervisors. Prepare a short discussion of the five most important items you would share wi

Pareto Chart and Frequency Pareto analysis is a statistical technique in decision making that is used for selection of a limited number of tasks that produce significant overall effect. The chart shows that the most important factors related to students' performance are (in this order): Attendance, Teacher, Extra Curricular, Teacher Style, Community Involvement, and GPA. In other words, these factors are responsible for the 80% of students' performance.

Please explain what the Pareto Chart tells regarding 80 percent and 20 percent means. Based on the information and the pareto chart what would you work on based upon what the Pareto Chart is telling you? This is the data to construct the Pareto chart and The team has collected data for Everyday High School (E

IS Business: develop a pie chart to express the market position of top products

1. Develop a pie chart or other indicator that expresses the market position of your fictitious IS business in terms of its top five products or services. List these and identify the market percentage for each. Produce this exercise in a manner that fits your business. If your business does not serve the public, you may break ou

Statistics - Pareto Diagram, Pie Chart

In the summer 2000, a growing number of warranty claims on Firestone tires sold on Ford SUVs prompted Firestone and Ford to issue a major recall. An analysis of warranty-claims data helped identify which models to recall. A breakdown of 2,504 warranty claims based on tire size is given in the following table: Tire Size

Demand and supply conditions in the perfectly competitive

Question #4. Lawn mowing services are supplied by a host of individuals in the suburb of Westbrook. Demand and supply conditions in the perfectly competitive domestic for lawn mowing services are: P = $75 - 1.75QD (Demand) P = $2QS (Supply) where P is price per lawn mowed and Q is quantity of lawns mowed per day. a.)

Statistics, Selling Price & Real Estate Property Questions

Please see the attachment. This is for study purposes only. ------ 5. The dependent variable shown in the plot is the selling price of the real estate property. 6. The plot shows a total of 10 pairs of observations that incorporate the two variables, living area and selling price. 7. The relationship between the two

Measurements with Graph or Chart

Standard Test Scores Name Gender Absences PE Math Writing Reading Alex Boy 5 49 85 86 80 Anthony Boy 18 51 39 71 75 Douglas Boy 1 82 74 78 79 Jorge Boy 4 56 66 68 60 Joshua Boy 5 83 79 78 77 Luke Boy 0 94 89 84 84 Robert Boy 17 36 36 56 50 Rupert Boy 4 24 55 56 52 Seth Boy 0 61 92 89 83 Wayne Boy 1 65 92 96 91 Blair

Statistical Chart: How to Summarize Data in the Chart

What I need to do is summarize the results in a chart stating x # of participants were insecure at the start and x changed by the end of the study. The following is the information that would need to be enter. 90 Participants all had insecure attachment behavior. Group A was given no intervention, Group B was given one interv

Finding Proportions from Histograms

1) Weight Away, a company that sells weight-loss plans, often advertises the effectiveness of its plans by highlighting the stories of a few clients who have lost extraordinary amounts of weight. To get a better indication of the general effectiveness of the plans, we asked Weight Away to send us information about "typical" clie

How would you construct a x chart based on these 10 samples? How would you construct an R chart based on these samples. Are there any points that have gone out of control? What conclusion can make with these results about the quality control in the production What non-statistical quality method(s) can I use to ensure quality in products?

If a food processing company specified that the weight of each box containing 20 × 750 gram jars of jam should be 15 kg with a tolerance of 100 grams per box. A statistical quality control operation was set up and the following data was obtained: Sample Number Weight in kg 1 15.02 15.02 15.08 15.06 2 15.10 15.24 15.0

Basic statistics and Graphs ..

2. The Degree of Reading Power (DRP) test is often used to measure the reading ability of children. Here are the DRP scores of 44 third-grade students, measured during research on ways to improve reading performance: 40, 26, 39, 14, 42, 18, 25, 43, 46, 27, 19, 47, 19, 26, 35, 34, 15, 44, 40, 38, 31, 46, 52, 25, 35, 35, 33, 29,

Hypothesis testing for business research

Can anyone help with this one? I'm kind of lost. You have asked to research the high absenteeism rate in your company. One required analysis is to be by gender. Assume you have been asked to do the study via a survey. § What secondary research might you do before doing the survey? § Other than gender what other

Correlation and regression - A sociologist in interested in the relation between x = number of job changes and y = annual salary( in thousands of dollars) for people living in ...

A sociologist in interested in the relation between x = number of job changes and y = annual salary( in thousands of dollars) for people living in the Nashville area. A random sample of 10 people employed in Nashville provided the following information: ( You may have to re-write the graph below because I cannot get it to line u

How to make histograms with M&M count data

Take the M&M data and the M&M data from all of your classmates (already attached info on this post) and make two histograms. Make two histograms from (1) the total count in each bag for yourself, and (2) from the average or mean from all the class members (my info is Kris). To make the histogram you can either make one by

Stats Q and A ... making graphs to display data

Please see attached. Utilize graphical representation to present data, show all your work: 2.19 Construct a histrogram, a frequency polygon, and an ogive for the following frequency distribution. Class Interval Frequency 50-under 60 13 60-under 70 27 70-under 80 43 80-under 90 31 90-under 100

Determining Graphs for Data

Please help, we are using average and I need to change my graph from percentages, however, it just goes into chaos when I try to adjust it to the numbers the graph I need. Thank you. 1.00- 1.5 = (1) = Significantly above 1.6 - 2.5 = (2) = Consistently better 2.6 - 3.5 = (3) = Consistently Achieve 3.6 - 4.5 = (4) = Not

Class Survey Accumulated Data

Dear OTA, Please explain with necessary steps. Thanks Categorical Data Sets: 1. Create a summary table for each data et. Expand them to include relative frequencies and percent frequencies. 2. Construct a pie chart for one of the sets (column C or D would be great). 3. Construct a bar chart for the other that wasn't

Exam Score Frequency Question

1. The exam scores of 19 students are as follow: 76, 74, 82, 96, 66, 76, 78,72, 52, 68, 86, 84, 62, 76, 78, 92, 82, 74, 88 a. Prepare a frequency distribution. b. Draw a stem-and-leaf plot. c. Construct a histogram with a class width of 1 and 5. d. Based on (a.) do you think a grouped freque

Statistics Questions

3. What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution? Please provide a short background and how you would apply the concept. 5. Describe a possible application of Control Chart in your personal life. Please be specif

Inflation Problems

Everyone complains about the high price of gasoline. You may have heard some adults talk about the "good old days" when gasoline sold for about 30 cents a gallon. Those "good old days" were the 1960s and early 1970s. How "good" were they? In real terms, how high is the current price of gasoline? Use the following data from the N

OPERATIONS MANAGEMENT

An automatic filling machine is used to fill 1 liter bottles of cola. The machine's output is approximately normal with a mean of 1.0 liter and a standard deviation of .01 liter. Output is monitored using means of samples of 25 observations. A) Determine upper and lower control limits that will include roughly 97 percent o

Market analysis pie graph

See attached file for full problem description. Market Analysis Your Fireplace Shop focuses on selling primarily to homeowners. In fact, according to a survey done by the HPBA, homeowners are looking for cleaner, more efficient options for heating their homes. So, over 1fifty-one percent of homeowners believe that insta

X bar and R chart, Cp

The specification height for a small pin is 20 +/-.05 millimeters. The cutting process has a standard deviation of 0.018 millimeters. Calculate the Cp index for this process. From this index is the process in control. I am given certain data-- How do I need to set up an X-Bar and an R-chart with the data I'm given

Bar Graph and Histogram Instructions

I have been attempting to do a bar graph and a histogram graph on the computer for a couple of days from the information below. I have tried all the on-line examples of how to make a graph and no luck. I am not computer literate at all. could you provide maybe a simple web-site or step by step instructions how to complete these