The _________________ provides an estimate for the population variance whether or not the null hypothesis is true for one-way ANOVA.
A) sum of squares error
B) total sum of squares
C) mean square between
D) mean square within
Question 2
Many hotel chains that offer free Wi-Fi service to their customers have experienced increasing demand for Internet bandwidth and increasing costs.
Marriott International would like to test the hypothesis that the proportion of customers that are carrying two Wi-Fi devices exceeds 0.60. A random sample of 120 Marriott customers found that 78 have two Wi-Fi devices. Marriott International would like to set = 0.01. The critical value for this hypothesis test would be ________.A) 1.28
B) 1.645
C) 2.33
D) 1.96
Three ways that factors affect mortality in response to changes in population density.
Fertility and Population Density, 1850
Population Pyramids
The population of algae is compared to the population of corals in a given sampling area
Using trace elements in carbonate shells to estimate temperature
Breakdown of the Population by Schooling and Wages