For the interval estimation of when is known and the sample is large, the proper distribution to use is the
a. normal distribution.
b. t distribution with n degrees of freedom.
c. t distribution with n + 1 degrees of freedom.
d. t distribution with n - 1 degrees of freedom.
Question 2
All of the following are true about a cyclical pattern except it is
a. often due to multiyear business cycles.
b. often combined with long-term trend patterns and called trend-cycle patterns.
c. an alternating sequence of data points above and below the trend line.
d. usually easier to forecast than a seasonal pattern due to less variability in length of time.
shelducks, genus Tadorna, are a group of large birds in the Tadorninae subfamily of the Anatidae
The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia.
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
(a) The distribution of sickle cell anemia in the Old World. (b) The distribution of malaria overlap