In a 4 × 3 factorial ANOVA design,how many possible group assignments for subjects are there?

A) 3
B) 4
C) 7
D) 12

Determine which of the numbers in the set below are rational. $\left\{-11,33,\frac{1}{11},5.5,-4.25\right\}$

A) $\left\{\frac{1}{11}\right\}$
B) $\{5.5,-4.25\}$
C) $\{-11,33\}$
D) $\left\{-11,33,\frac{1}{11},5.5,-4.25\right\}$
E) none are rational

What amount when increased by 25% equals $100?

How is the value of the correlation coefficient r affected in each of the following cases?
a.Each x value and y is multiplied by 4.
b.Each x value is switched with the corresponding y value.
c.Each x value is increased by 2.

A car loan of $20,000 is to be repaid over five years at 6.8% compounded quarterly. What is the amount of the monthly payment?

The probability of committing a Type I error when the null hypothesis is true as an equality is

A) the confidence level.
B) β.
C) greater than 1.
D) the level of significance.

A force of $55$ pounds stretches a spring $3$ inches. Use Hooke s Law to determine how far a force of $25$ pounds will stretch the spring. Round your answer to two decimal places.

A) $1.36$ inches
B) $2.68$ inches
C) $1.56$ inches
D) $1.68$ inches
E) $1.16$ inches