1. Determine whether the statement is true or false.If it is false, rewrite it as a true statement.

More types of calculations can be performed with data at the nominal level than with data at the interval level.

Choose the correct answer below.

A.

False.The same types of calculations can be performed with data at the nominal level and with data at the interval level.

B.

False.More types of calculations can be performed with data at the interval level than with data at the nominal level.

C.

True.

2. regionsof a country with the six highest levels of food production

ofacountrywiththesixhighestlevelsoffoodproductionlast year are

lastyearare shown below.

1. Northeast

2. Southern

3. Eastern

4. Southeast

5.Western

6.Southwest

Determine whether the data are qualitative or quantitative and identify the dataset's level of measurement.

Are the data qualitative orquantitative?

Quantitative

Qualitative

3. A pharmaceutical company wants to test the effectiveness of a new allergy drug. The company identifies 250 females30-35 years old who suffer from severe allergies. The subjects are randomly assigned into two groups. One group is given the new allergy drug and the other is given a placebo that looks exactly like the new allergy drug. After sixmonths, thesubjects' symptoms are studied and compared. Answer parts(a) through(c) below.

(a) Identify the experimental units and treatments used in this experiment. Choose the correct answer below.

A.

The experimental units are the30- to35-year-old females being given the treatment. The treatment is six months.

B.

The experimental unit is the new allergy drug. The treatments are the severe allergies the patients suffer from.

C.

The experimental units are the symptoms from the drug. The treatment is the new allergy drug.

Your answer is not correct.

D.

The experimental units are the30- to35-year-old females being given the treatment. The treatment is the new allergy drug.

This is the correct answer.

(b) Identify a potential problem with the experiment design being used and suggest a way to improve it. Choose the correct answer below.

A.

There may be a bias on part of the experiment since only females are being tested.

B.

There may be a bias on the part of the patients since they do not know if they were given the placebo or the real drug.

C.

There are no biases present.

Your answer is not correct.

D.

There may be a bias on the part of the researcher if the researcher knows which patients were given the real drug.

This is the correct answer.

(c) How could this experiment be designed to be adouble-blind? Choose the correct answer below.

A.

The study would be adouble-blind study if both the researcher and the patient did not know which patient received the real drug or the placebo.

B.

The study would be adouble-blind study if both the researcher and the patient knew if they received the real drug or the placebo.

C.

The study would be adouble-blind study if all patients received the placebo and no patient received the real drug.

D.

The study would be adouble-blind study if the patient knew if they received the real drug or the placebo but the researcher did not.

3.A pharmaceutical company wants to test the effectiveness of a new allergy drug. The company identifies 250 females30-35 years old who suffer from severe allergies. The subjects are randomly assigned into two groups. One group is given the new allergy drug and the other is given a placebo that looks exactly like the new allergy drug. After sixmonths, thesubjects' symptoms are studied and compared. Answer parts(a) through(c) below.

(a) Identify the experimental units and treatments used in this experiment. Choose the correct answer below.

A.

The experimental units are the30- to35-year-old females being given the treatment. The treatment is six months.

B.

The experimental unit is the new allergy drug. The treatments are the severe allergies the patients suffer from.

C.

The experimental units are the symptoms from the drug. The treatment is the new allergy drug.

Your answer is not correct.

D.

The experimental units are the30- to35-year-old females being given the treatment. The treatment is the new allergy drug.

This is the correct answer.

c) How could this experiment be designed to be adouble-blind? Choose the correct answer below.

A.

The study would be adouble-blind study if both the researcher and the patient did not know which patient received the real drug or the placebo.

B.

The study would be adouble-blind study if both the researcher and the patient knew if they received the real drug or the placebo.

C.

The study would be adouble-blind study if all patients received the placebo and no patient received the real drug.

D.

The study would be adouble-blind study if the patient knew if they received the real drug or the placebo but the researcher did not.