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Question 1: Determine the mean, mode, median and range for the 16 decades of hurricanes data. Consider this the known population. Compare your sample mean selected in last week's assignment to the population mean (16 decades). How does it compare? Is your sample mean representative of the population mean? Now think about the process of random sampling and the normal distribution when answering the assignment questions.
Question 2: Answer the following questions.
a. Statistical analysis of the 16 decades of hurricane data reveals a 95% Confidence Interval of +/-1.10652102. Add and subtract this number from the population mean to determine the 95% CI value, which is the value 2 standard deviation's above and below the mean.
b. Suppose 10 hurricanes were to occur. Based on the 95% CI, what is the probability of such an occurrence? Think Normal Distribution.
c. Based on statistical theory of the normal distribution, what conclusion can you draw?
(a) State the null and the alternative hypothesis in this case. Define (in words) the parameter of interest in this case. A total of 12 mice attempted the maze while loud rap music was being played. The mean and standard deviation of the times to c..
Find a 95% confidence interval for the proportion of the adult population that feels this way. Be sure to check the appropriate conditions and interpret your interval correctly.
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Find the probability that such a trip will take more than 2.4 hours.
A tire manufacturer believes that the treadlife of its snow tires can be described by a Normal model with a mean of 32,000 miles and standard deviation of 2500
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Does your computed value of v exceed v0? If so, you should reject the hypothesis that the contestants' choices are uniformly distributed - compute the leading digits of the first 100 powers of 2, and see how well these data fit the Benford distributi..
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a sample survey interviews an srs of 267 college women. suppose that 70 of all college women have been on a diet within
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