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1. Suppose you are given a particular set of data and found that r = 2.5. How would you interpret this result? 2. Comment on the statement " the two coefficients for the line of best fit have the same sign." as sometimes true, always true, or never true. Explain your response if your answer is "sometimes true" or never true."
Make a probability distribution chart using reduced fractions to show the following information: The chart below shows the number of committee members who attended a meeting.
How would you interpret the findings of a correlation study that reported a linear correlation coefficient of +0.3?
Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.
Run a simple regression of the dependent variable demand on the independent variable price and observe the coefficient on price.
You are asked to conduct a study to determine if gender has any bearing on the choice of a dog or cat as a pet. You take a random sample of 350 adults and ask each what kind of pet they would prefer, a dog or a cat?
Estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?
A single box contains 12 gloves, and it has been determined that 6 percent of gloves are defective. What is the likelihood that a box of gloves gets rejected?
Two boats the prada (Italy) and the oracle (USA) are competing for a spot in the upcoming Americans cup race. They race over a part of the course several times. Below are the sample times in minutes at the .05 significance level.
Unfortunately, any cases not sold by the end of the month are of no value, due to spoilage. How many cases of cheese should Jason manufacture each month?
A paper manufacturer has a production process that operates continuously throughout an entire production shift. The paper is expected to have a mean length of 11 inches, and the standard deviation of the length is 0.02 inches.
If a group of 400 school children are selected at random, what is the probability that at most 70 children will miss school because of asthma?
To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in.
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