# Statistical Hypothesis Testing

**Topics:**Statistical hypothesis testing, Null hypothesis, Standard deviation

**Pages:**3 (861 words)

**Published:**June 30, 2012

2. (8 points) According to a study by my PseudoScientific Consulting, the time interval between Atlantic hurricane of category 4 has a mean of 456 days and a standard deviation of 123 days. Suppose that you observe a sample of five (5) time intervals between successive category 4 hurricanes. a. On average, what would you expect to be the mean of the five (5) time intervals? b. How much variation would you expect from your answer in part (a)? (Hint: Think along the line of the Empirical 68-95-99.7 Rule.)

The following information is for Questions 3 through 8.

The recommended daily allowance (RDA) of cobalamine (Vitamin B12) for growing teens is 2.4 µg (micrograms). My brother takes it upon himself to make sure that everyone gets the recommended daily allowance. It is generally believed that growing teens are getting less than the RDA of 2.4 µg of cobalamine daily. It is an open secret that my brother's Au & Associates FauxPharmaceutical (AFP) peddles dietary supplements around the globe. It is claimed by representatives of AFP that by taking their vitamin supplement extracted from Atlantic scrod, brand-named as...

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