A balanced experiment requires that

A. an equal number of persons or test units receives each treatment.

B. the number of treatments equals the number of samples.

C. at least one sample equal size is 30.

D. at least two treatment groups be used.

Solve the equation type the integer with it. 2b-1=11

Select all that apply. To which sets does - belong? real numbers rational numbers irrational numbers integers whole numbers natural numbers

What is the average rate of change for ƒ (x) = 2x - 4 over the interval 2 ≤ x ≤ 6?

Solve the inequality 3 (x+1) <9

A large boulder falls from a cliff located 1,044 kilometers away from a herd of elephants. The temperature of the air is 29°C. At what rate does the sound of the crashing boulder travel toward the elephants? A) 331 m/s. B) 334 m/s. C) 36 m/s.

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

What is the percent of decrease from 155,000 to 140,00

A telephone company charges $0.30 for the first 4 minutes of a call and $0.18 for each additional minute. How long can a person talk for $3

determine if these equations are true or false A. 50 tens x 4 hundreds = 40 tens x 5 hundreds B. 24 x 10 x 90 = 90 x 2400

A shipment of 9 microwave ovens contains 2 defective units. A restaurant buys four of these units. What is the probability of the restaurant buying at least three nondefective units?