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Question: Use the NBA data from Exercise to create a stemand-leaf plot.
Exercise: Here are the numbers of wins for the 30 National Basketball Association teams for the 2004-2005 NBA season.
a. Create a grouped frequency table for these data.
b. Create a histogram based on the grouped frequency table.
c. Write a summary describing the distribution of these data with respect to shape and direction of any skew.
d. State one research question that might arise from this data set.
a lending institution supplied the following data on loan approvals by four loan officers. use a 0.5 and test to
a coal company wants to determine a 95 confidence interval estimate for the average daily tonnage of coal that they
What are the differences and why are there differences and In what areas of your daily lives are normal curves used to describe things?
Compute standard error of mean? Compute the margin of error, with 95% confidence.
assume the readings on thermometers are normally distributed with a mean of 0 degrees celsius and a standard deviation
Which descriptive statistics would most effectively describe the differences in:a. Travel distance to work? b. the most popular model of car?
What proportion of homes subscribe to Internet service from Ashland and would you say this portion is small, medium, or large - what proportion of homes that are using Ashland's Internet service have Basic cable service?
How could we rescreen for defective units from a population of 900 units and establish a 95% confidence that the whole 900 units are acceptable.? How many would we need to check out of the 900?
suppose that a random sample of size 25 is to be selected from a population with mean 41 and standard deviation 9. what
Let p_1 be the proportion of successes in the first population and let p_2 be the proportion of successes in the second population.
The fish were recaptured above the fork in one stream or the other. Analyze using chi square techniques and write a sentence about Hasler's hypothesis.
You're in charge of an experiment to evaluate a treatment which is advertised as being 90% effective at killing a particular insect. You plan an experiment in which the treatment is tested on 200 insects.
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