P-value corresponding
In the test of a certain hypothesis, the P-value corresponding to the test statistic is 0.0316. Can the null hypothesis be rejected at the
a)0.01 level of significance;
b)0.05 level of significance;
c)0.10 level of significance?
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The following data is the square footage in thousands of square feet and annual sales for a sample of 14 branches of sunflowers apparel. Predict the sales of a new store that has 2,300 square feet.
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The PIRON Software Company currently develops marketing software for primarily service-based organizations. They are considering expanding their operations to product marketing in the Phoenix area.
Based on the certain data, a null hypothesis is rejected at the 0.05 level of significance. would it also be rejected at the
Data with 250 observations are drawn from a bell-shaped distribution with a mean of 50 and a standard deviation of 12. Approximately how many observations are more than 74?
This is another example of regression to the mean: students who do well on the midterm will on average do less well, but still above average, on the final.
Mars states that the population proportion of blue M&Ms is .240. When approximating the binomial distribution as NORMAL, what is the probability of calculating a sample proportion of .237 or less blue M&Ms from a sample size of n = 70?
The average length of stay at a local hospital is 4.9 days. Assuming a population standard deviation of 3.5 days, what is the probability a random sample of 50 patients has an average stay of 5.2 days or less?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
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