The value of the sum of squares for regression SSR can never be larger than the value of sum of squares for error SSE.

A score that is 2.5 standard deviations below the mean would have a z score of ______.

A) -2.5
B) 2.5
C) 0
D) 25

Rationalize the denominator of the expression and simplify. $\frac{\sqrt{x}-4}{2\sqrt{x}-7}$

A) $\frac{2x+15\sqrt{x}-4}{4x-7}$
B) $\frac{2x-\sqrt{x}-28}{4x-49}$
C) $\frac{x-\sqrt{x}-28}{2x-49}$
D) $\frac{x+15\sqrt{x}-4}{2x-7}$
E) $\frac{2x+9\sqrt{x}-4}{4x-7}$

Some statistical tests allow you to make a conclusion that there is a real effect with 100% certainty.

What is the number of 25-inch rolls produced?

A) 1,264 units
B) 1,718 units
C) 1,432 units
D) 1,000 units

Solve the equation $x-7=5$ .

A) x=35
B) $x=-\frac{5}{7}$
C) x=2
D) x=12
E) x=22

Toddlers' Toyland, which uses the FIFO method of valuing inventory, has 75 brown bears remaining in inventory. Toddlers' purchased brown bears over a three-month period as follows: 72 purchased at $3.50 on October 7, 84 purchased at $3.65 on November 7, and 60 purchased at $3.80 on December 7. Compute the value of the ending inventory of bears at FIFO cost.​