STA322 Week 1 Assignment 120 Points Misleading Graphs 1. Look at the Day care children graphs in the excel file \"STA322 week 1 data\" on the tab \"Misleading\". Discuss the benefits of using Graph A versus Graph B. (15 points) 2. Look at the Voting data in the excel file \"STA322 week 1 data\" on the tab \"Misleading\". Graph the data in a column (bar) graph. Create another graph that manipulates the axis to appear misleading. Compare and discuss the two graphs. (20 points) 3. In your future career, you will be asked to collect data, analyze data and write reports. In the analysis of data, you may choose to display your results in a graph. This week as we discuss misleading graphs, we learned that we need to be aware of these types of graphs, not only for reporting results, but also as we read and interpret graphs (to be observant and look for key points on a graph). Find a graph that appears to be misleading and discuss. Explain ways you would change the graph to make it appear more accurate. (15 points) Sampling Techniques 4. Look at the excel file \"STA322 week 1 data\" of tab \"Sampling.\" The survey question asked was \"Do you have a college degree or currently working on a college degree?\" Data is shown using 2 different types of sampling (Convenience -asking your family to complete the survey and Cluster-asking 5 students from 3 classes). Using the data provided, graph each set of data using the same style of chart in Microsoft Excel. Looking at the data provided and the chart results, would either of these sampling techniques provide useful information for you? Are these the best sampling techniques if you are deciding how many people you know are in college? Discuss. (20 points) Determine the sampling technique of the following (convenience, cluster, stratified, simple random or systematic). 5. A class of freshmen is divided into 5 groups to work on a Final presentation. 2 groups are randomly chosen to present at the graduation rehearsal. (6 points) 6. The grocery store greeter polls every 50 th customer that comes into the store on Saturdays. (6 points) 7. In a survey of 100 employees they were asked about their training they received. The sample consisted of those who chose to respond to the survey. (6 points) Determine the type of data for the following (Qualitative, Quantitative-discrete or Quantitative Continuous). 8. The amount of sugar in the new cookie is 12.3 grams. (6 points) 9. The container has 14 ounces of potato chips. (6 points) 10. The class was broken down into Freshman, Sophomore, Junior and Seniors. (6 points) Determine if the following is a Parameter or a Statistic. 11. Among all the students in the class that were surveyed, 42% were residents of Utah. (7 points) 12. If the class of 30 students was the population, 10 were surveyed and had all completed their assignment on time. (7 points) 1. Graph of States vs Children in After School Activities State Day care children Colorado 485,000 California 350,780 Texas 202,000 600,000 500,000 Vermont 75,000 400,000 Tennessee 82,000 300,000 Hawaii 200,150 Graph A - After School Activities Day care children 200,000 100,000 0 Graph B - After School Activities 520,000 470,000 420,000 370,000 320,000 270,000 220,000 170,000 120,000 70,000 Day care children Activities Day care children Activities Day care children 2. Graph the Following for voting using the column (bar) graph Democratic 48 Republican 42 Independent 10 Question: Do you have a college degree or currently working on a college degree? Convenience Sampling (Ask family) Grandma no Grandpa no Mom no Dad no Sister- Kay yes Sister-Sally no Brother-Joe no Cousin-Bill no Cousin-Jan no Cousin-Jamie yes Cousin-Paul yes Uncle-David no Aunt-Mary no Uncle-Bill no Aunt-Sue yes Cluster Sampling (Choose 5 students out of 3 or your past classe Bill yes Kristie yes Mark yes Pam yes John yes Mat yes Stephanie yes Laura yes Jamie yes Brian yes Alan yes Chris yes Martha yes Melissa yes Sharon yes ts out of 3 or your past classes)