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The final examination of a course requires an essay. The number of pages from a sample of 25 students were collected. The data are:
5 8 9 3 12 8 5 7 3 3 8 9 5 2 7 12 9 6 3 8 7 10 9 12 7
a) Construct a histogram. Describe its shape.
b) Draw a cumulative graph
c) Calculate the 65th percentile
d) Calculates the upper quartile and bottom quartile
e) Interpret the results in b, c and d.
Describe the effect of an outlier or extreme value on the confidence interval - Find the probability that the return for common stocks
What would be the most appropriate graphical representation to show the dispersion of new home prices in a particular area? Why?
At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and the standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the possibility that th..
A college student is taking 5 courses in a semester. He is willing to assume that he will get an A with probability 0.10, a B with probability 0.80, and a C with probability 0.1 in each of the courses. He defines X1, X2, and X3 to be the number of..
Determine the critical value, z0, to test the claim about the population proportion p
What is the probability that a randomly selected monthly cell phone bill is more than $100?
Multiple choice question using Forecasting techniques. Which among of the following models are best suited to forecast a time series with a stable seasonality component.
Pattern that most accurately represents mean, median and mode is?
What is the null and alternative hypothesis? What is your final conclusion?
Table shows the smoking habits of group college students. If student is selected at random, determine the probability of getting someone who is man or a woman.
Testing for population proportion - evidence that the proportion of data processing clerks who have gone through the new training and are no longer employed is less than .25?
Explain what these terms mean in describing the distribution of the sales reps' salaries.
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