Technological advances allow for more ______ among institutions and people and machines.

A) interconnectedness
B) relationships
C) independence
D) dependence

When interpreting a correlation coefficient of .93, you would say that there is a _____ linear relationship between x and y.

A) strong positive
B) weak positive
C) weak negative
D) strong negative

Suppose that the national mean weight for a three-year-old girl is 30 pounds with a standard deviation of 5 pounds.A pediatric office takes a random sample of 100 three-year-old girls,records their weights,and finds the mean.Describe the sampling distribution model of this mean.

A) Binom(30,5)
B) N(30,0.5)
C) N(30,0.05)
D) N(30,5)
E) There is not enough information to describe the distribution.

In testing the difference between two means, which of the following is implied by the alternative hypothesis (H₁) ?

A) The two population means are equal to each other.
B) The difference between the two population means is equal to 0.
C) The difference between the two population means is not equal to 0.
D) The difference between the two sample means is equal to 0.

Victoria Developments has obtained $3.6 million of total capital from three sources. Preferred shareholders contributed $550,000 (preferred equity), common shareholders contributed $1.2 million (common equity), and the remainder was borrowed (debt). What is the firm's ratio of debt to preferred equity to common equity?

Find the coordinates of the vertices of the figure if it is shifted 3 units to the right and 3 units up.


A) $(8,5),(0,8),(2,5),(0,1)$
B) $(8,1),(-3,8),(2,3),(-3,-3)$
C) $(-2,5),(0,3),(2,3),(0,1)$
D) $(-2,5),(0,8),(4,1),(6,5)$
E) $(-2,5),(0,8),(2,5),(0,1)$