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A patient in a sleep study is sleeping once every hour. Over the course of a week (168 hours) the patient was found to be asleep for 47 of the times recorded. If it can be determined that the patient is sleeping significantly less than normal, he will receive further treatment,
1. Write out null and alternative hypotheses for conducting this test
2. Calculate test statistic
3. Find p value
4. state your decision at the .1 sig. level
What is the expected value and variance of the number of deliveries in a 700-letter group?
Based on these sample data, is there sufficient evidence to conclude that the distribution of service time is not normally distributed?
Suppose the standard deviation of the minimum temperature is 6°F and the distribution of minimum temperatures in February is approximately Normal.
The researchers made 10 measurements of ATP, which had x = 0.84. What was the sample standard deviations for these measurements?
Calculate the elasticity of substitution in this case and elaborate on your answer.
What is the 99% confidence interval for the average amount of time all web customers of her company will spend visiting the new website?
What are the limitations of the technique you used? What is the topic you are addressing and what are your hypotheses
Some self-managed teams encounter a vexing problem: One or more members engage in social loafing, and other members are reluctant to try to rectify.
Create a time-series plot and interpret any findings and Create a histogram and relative frequency histogram for the data in table #2.2.10. Describe the shape
a. What is the mean score in the quiz? b. What is the median score in the quiz? c. What is the mode of the quiz?
Based on information in Statistical Abstract of the United States (116th Edition); the average annual miles driven per vehicle in the United States is 11.1 thousand miles, with c = 600 miles. Suppose that a random sample of 42 vehicles owned by re..
Use the Internet or some printed material to find an example of a sample survey that interests you. Describe the population, how the sample was collected
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