ASSIGNMENT Complete problem 1-2 below. Use the mean, standard deviation and sample size of these 2 categories: Cost of Tuition Out-of-State and Dollar Amount of Financial Aid per student. You will use the mean of the proportions (rounded to 4 decimal places) and the mean of the enrollment (rounded to the nearest integer) for these […]
Using the data in the table provided, set up a data file in SPSS and create a table of descriptive statistics using the “Explore” command for each “Mindset” group separately.
SPSS Homework: Variability Assignment For each scenario, you will respond to a series of questions asking you to create and interpret various tables and charts in SPSS. Paste your SPSS output directly into the homework underneath each relevant question. Type written answers into the document underneath the question to which they relate. This assignment is […]
Construct a confidence interval for the difference of the two means using the method described in class for normal data with different variances.
Assignment 5 Confidence intervals Show all work, when statkey is used, include a screenprint of your output. If you do not include the screenprint it counts as not working the problem. 1: The data for this problem is in ques1.csv in canvas Download the data to your computer and upload it to statkey, bootstrap confidence […]
Compute the mean, median, mode, range, sample standard deviation, and sample estimate of the population standard deviation for the data in Table 1 (below).
ASSIGNMENT Compute the mean, median, mode, range, sample standard deviation, and sample estimate of the population standard deviation for the data in Table 1 (below). Use your calculator and scrap paper for computations as necessary. Write your answers in the spaces provided.
Calculate the max loss at the 5% confidence level using the standard deviation of NPV 4. Run a sensitivity analysis on savings to NPV, sales growth rate to NPV, and taxes to NPV. S.
ASSIGNMENT Your firm is contemplating the purchase of a new $500,000 computer-based order entry system. The system will be depreciated using the MACRS 3-year depreciation schedule. It will be worth 550,000 at the end of the project in 5 years. You will save $50,000 before taxes per year in order processing costs, and you will […]
Construct and interpret a confidence interval to estimate the mean height of the population. Write the formula for the confidence interval and then substitute your appropriate numbers.
Correlation To study about the correlation between height and shoe size, you need to collect a sample of nine (9) people using a Systematic Sampling method. What is the population of people? Where and how are you going to collect your sample? Does your sample accurately represent your population? Why or why not? Collect the […]
What is the completion time at 99.7 % confidence level? What is the likelihood of this project being completed earlier than 20 days?
PERT network Consider the following table: ACTIVITY PREC. ACT. TIME ESTIMATES (days) to tml tp te A — 6 6 6 B A 4 5 6 C A 2 4 6 D B 4 6 8 E C 2 4 6 F D 1 5 3 1) Construct a PERT network. [NOTE: This is the […]
Compute the mean and standard deviation for this data; use the sample formula for the standard deviation. What number is two standard deviations above the mean of this data?
Algebra Use the following information to answer the next three exercises. A grocery store is interested in how much money, on average, their customers spend each visit in the produce department. Using their store records, they draw a sample of 1,000 visits and calculate each customer’s average spending on produce. Identify the population, sample, parameter, […]
Describe your results and conclusions. Based on these, suggest recommendations in the form of a public health response that the Council of Roberton could implement to help improve this situation.
Assessment 3: Public Health Data Analysis Section A: Understanding the context (8 marks) The Council of Roberton is really concerned about the number of recent road accidents, and has called a community meeting. They have called for an enquiry named the Roberton report. You are part of the team to help them make decisions for […]
Briefly discuss using the fracture surface image and the absorbed energy the difference in the impact resistance of the steel sample tested at room temperature and -59oC.
Izod Impact Test (a) Use the table below with absorbed energy (Joules) results obtained for three materials tested. Calculate the average toughness and standard deviation for each material Izod Impact Test Steel Brass Aluminum 1 2.56 1.87 0.97 2 2.62 1.72 0.79 3 2.68 1.67 0.80 Average absorbed energy Standard deviation […]