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We know many types of data fall into a normal distribution with most of the observations falling toward the middle. However sometimes data are outliers or data that are very differnet-larger or smaller- from the rest of the memebers of the sample. Think of an example in the real world of an outlier and discuss its effects
calculate the mean or expected value for the number of retransmissions and calculate the standard deviation for the number of retransmissions.
A statistics instructor collected data on the time it takes the students to complete a test. The test taking time is uniformly distributed within a range of 35 minutes to 55 minutes.
Calculate the 95% confident interval to estimate the percentage of Millennial who believe that their generation has a distinctive identity as compared with the other generations
What method of random selection can be used to determine which women to select in quantitative research?
Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?
Create ADM/PERT diagram. Determine the critical path.
Of the next 15 people that invest in this project, what is the probability that 5 or less people will result an annual net cash flow of at least $100,000.
At 95% confidence using the p- value approach, test the hypotheses. Let α = 0.1.
Develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.
Suppose that 15% of the population is left-handed. If 20 people are selected at random, find the probability that exactly 4 of them are left-handed.
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
1.a study was performed to examine the personal goals of children in grades 4 5 and 6. a random sample of students was
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