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Discuss how statistics is related to your field of study.
459 randomly selected light bulbs were tested in a laboratory, 291 lasted more than 500 hours. Find a point estimate of the true proportion of all light bulbs that last more than 500 hours.
It surrounds an example of how one industry used statistics to make important analytics decisions about how it best served its customers:
Report the coefficient and p-value on lowtemp. Is this statistically significant? Perform a Durbin-Watson test at the .05 level testing that there is positive serial correlation. Be sure to report th
Contrast quantitative data and qualitative data. Use two Peer Reviewed references. Evaluate tables and charts used to represent quantitative and qualitative data.
What methods were used to collect the data? Were these methods appropriate based on the research question? Was the data collected quantitative or qualitative? What are the potential weaknesses of the
Create a scatter plot for the Table 2 data, with Beaver Skins on the horizontal axis and Marten Skins on the vertical axis. (If doing the graph by hand, use the shorter, 4-year table. If doing the g
Develop a process map about the prescription filling process for HMO's pharmacy, in which you specify the key problems that the HMO's pharmacy might be experiencing.
Compare and contrast the fundamental differences between process improvement framework and problem solving framework
Question: Which of these variables are discrete and which are continuous random variables?
Find the mean percentage increase in dollar sales,Find the median,Find the sample variance,Find the sample standard deviation,Find the coefficient of variation,Find the range,Find the interquartile ra
You are given the following background and instructions to find population data for each age group and sex from the 2000 census for the American Indian and Alaska Native group. Because emigration an
Present the concept that patterns may exist in the data that are waiting to be discovered.Discuss possible insights that analyzing the mass of data might reveal.Compare and contrast the results of usi
1) What minimum life for the long-life bulb would make its cost lower? 2) If the cost of changing bulbs is ignored, what is the minimum life for the long-life bulb for them to have a lower cost?
A. What is the average number of customers in the salon? B. What is the average time that a customer spends in the salon? C. What is the average time a customer spends waiting to be attended?
Without doing any testing in a study, they estimate that the probability of a successful market is 0.6. What do you recommend?
a) What assumption or assumptions do you need to make about the shape of the population? Give assumption(s):b) What is the standard error of the mean in this example?
Problem: A normal distribution has a mean of 50 and a standard deviation of 4. Please use Excel Spreadsheets. Show all work and formulas 1) Compute the probability of a value between 44.0 and 55.0
1) Formulate this portfolio selection problem using LP. 2) Solve this problem.
Which of the following is a test of the statistical signficiance of the entire regression equation?
A. Fully interpret these simple regression results. B. Describe this cost category as fixed or variable based upon the simple regression results described previously.
Q1. Describe the correlation with the independent variable REPTILE. Does it make sense? Why or why not? Q2. Describe the correlation with the independent variable ENDANGERMENT. Why is this relations
What is the expected interest rate that will be charged by a bank that cannot exactly distinguish between the two types but knows the probabilities of each type. In this market for loans what would
a. Identify the fixed costs and the variable costs. b. What are the total fixed costs, total variable costs, and total cost of the lab given its current capacity? What is the average cost per test
Q1) If each security guard is paid $200 a week at the cost of a stolen radio is $25, how many security guards should the firm hire? Q2) If the cost of a stolen radio is $25, what is the most a firm