Let
be the ellipsoid with equation
so that the volume of
is given by the triple integral
Consider the augmented spherical coordinates given by the identities
Computing the Jacobian, we find that the volume element is given by
so that the volume integral can be written as
208/16 = 13 yards per part
13-4 = 9 yards of unpainted strip per strip
9*16 = 144 of unpainted strips
Answer: true
Step-by-step explanation:
Z-tests are statistical calculations that can be used to compare the population mean to a sample mean The z-score is used to tellsbhow far in standard deviations a data point is from the mean of the data set. z-test compares a sample to a defined population and is typically used for dealing with problems relating to large samples (n > 30). Z-tests can also be used to test a hypothesis. Z-test is most useful when the standard deviation is known.
Like z-tests, t-tests are used to test a hypothesis, but a t-test asks whether a difference between the means of two groups is not likely to have occurred because of random chance. Usually, t-tests are used when dealing with problems with a small sample size (n < 30).
Both tests (z-tests and t-tests) are used in data with normal distribution (a sample data or population data that is evenly distributed around the mean).
