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"Give an example of a statistic that you have heard quoted in the media that you do not believe is accurate either due to bias or other incorrect statistical methods. Describe the relevant population and the source (e.g. newspaper, TV, radio, internet, etc.). Explain why you do not believe it is accurate."
What is the relationship between the sign of the correlation coefficient and the sign of the slope of the regression line?
What is their maximum error of the estimated mean quality for a 92% level of confidence and an estimated standard deviation of 8?
Test whether there is a statistical difference between the two proportions at the 5% significance level.
Normal distribution of 5 pounds per square inch, standard deviation of 1.5 pounds per square inch, what proportion have less that 3.17 pounds per square inch, at least 3.6 pounds, are between 5 and 5.5 and 95% will be contained between what two va..
At the .10 significance level you will test to determine if there has been an increase in selling time. Is this a 1 or 2 tail test?
Prepare a scatter plot and Interpret the meaning of slope, b1, in this problem
Calculate the mean and standard deviation of the following data sets, then produce a five number summary and box plot of data.
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)
State along statistical certainty there is a difference among the population proportions of those favoring Statement.
Find the probability of committing a type I error.
Make a graph to visualize the problem and state, without doing the calculations, whether the p-value of the test
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