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1) Write your response to the following question.
We often hear you can lie with statistics. This is one way of saying statistics can be easily miscommunicated. Find one example of how statistics are miscommunicated and explain why there was a miscommunication and what you would do to correct this problem.2) Using probability: How can you use probability to improve your chances of winning at a casino.3) Write your responses to the following topic.Outliers: 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 different - larger or smaller - from the rest of the members of the sample. Think of an example in the real world of an outlier and discuss its effect.4) Write your responses to the following topic.Errors in testing: Think of one example of a Type I and Type II error in everyday life and comment on the ramifications of those errors.5) Write your responses to the following topic.Association: We know association does not imply causation, but what does this mean in your own words. Provide and discuss an example of two variables that are associated but not by a cause and effect relationship.
Complete the test at the 5% level of significance.
Crystal Ball requires the following steps:
Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, is the average spending in the northern region significantly less than the average spending in the southern region at the 1 percent leve..
Draw the frequency polygon for these data using an initial class boundary of 21.5, an ending class boundary of 46.5 and 5 classes.
Explain the difference between the null hypothesis and the alternate hypothesis. How is the null hypothesis chosen (why is it null)? What is the importance of rejecting the null hypothesis, can we make a geneeral staement about the population base..
A sample of 60 night shift workers showed that the mean number of units produced was 351. At the .05 significance level, is the number of units produced on the night shift larger?
For these 4 questions below what would be the independent and dependent variables, the level of measurement and whether or not the variable is discrete or continuous.
Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.
Random for a mosquito count, find the probability that the average of those counts is more than 101.6 mosquitos per square meter. Assume that the variable is normally distributed.
While purchasing a home, location is everything. As a buyer, one should be aware of the cost of living in the area of choice, as well as expect a higher cost the closer to the center of town you get.
Determine the proportion of homes that have a pool. At the .05 significance level, can we conclude that less than 40 percent of the homes sold in the Denver area had a pool? What is the p-value?
Explain why an observed value of 250 hours is not unusual for an individual light bulb, even though it is outside the confidence interval you calculated.
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