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Question:
1. Select any two qualitative data of your survey. From your qualitative data, carry out at least TWO suitable charts/diagrams of your choice.
Then, give your comments with at least ½ a page long based on the charts/diagrams above. 2. Select any one quantitative data of your survey. From your quantitative data, (a) Construct a stem and leaf display. (b) Construct a boxplot. List the five number summary (minimum, first quartile, median, third quartile, maximum). (c) Based on the measures of central tendency, describe the center and the shape of your data set. (d) Describe the spread/dispersion of your data set. Comment on your answer. (e) Based on boxplot in (b), do your data contain outlier? Justify your answer. (f) Construct a frequency table for your data set. State clearly the range and intervals (exclusive) you are using. (g) Based on the frequency table above, construct a histogram and a polygon. (h) Based on the histogram, what is the mode of your data set? (i) Briefly give your comment to summarize your data set based on any calculations or any charts/diagrams that you have done above with at least.
3. Explain the applications of statistics in your own field (Business Administration/Accounting) in at least 1 page long. Please cite the books, journals or websites that you have gained the information as references.
what is the probability of selecting a sample mean of 7 or less , with a sample population of 9 and mean of 10 and a standard deviation of 3.
Prove that if R is commutative ring and N=(a1,a2,..am) where each ai is a nilpotent element, then N is a nilpotent ideal, i.e N^n=0 for some positive integer n.
Suppose you are given a grant to run a controlled experiment. Explain how you would structure the experiment in order to estimate the casual effect of hours on sat.
Explain in managerial terms what is meant by "use an alpha level = .05." Do you agree with her suggestion? If so, explain why. If not, explain why and indicate the alpha level you would use instead.
Suppose an airport scanning device has 98% accuracy in detecting certain kinds of metal objects (98% of people carrying these objects are correctly identified as carriers and 98% of people not carrying them are correctly identified as non-carriers..
Decileter and standard deviation of 41 mg/dl. in an srs of 100 men what is the probability that x bar takes a value between 185 and 191 mg/dl?
test 1answer the following three questions based on what you know about statistics now.1. what is statistics?2. how is
Preform post hoc comparisons if necessary and what conclusions can be drawn from the F-ratio and the post hoc comparisons?
Some authorities claim that globalization has led to greater income inequality in the U.S. and globally while others claim that inequality is due to improvements in technology and productivity. Using the Library and Internet sources, do the follow..
A report states that 46% of home owners have a vegetable garden. How large a sampl.e is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage points with 95% confidence?
Of 900 consumers surveyed, 414 said they were very enthusiastic about a new home decor scheme. What is the 99% confidence interval for the population proportion?
To find out whether living next to high-voltage power lines increases your chance of getting cancer, researchers selected various homes at random.
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