A+ Answers of the following Questions

1. Every mass political movement since the _______ has had its songs.

A. French Revolution of 1789

B. Revolutionary War

C. Civil War

D. Renaissance

2. Baroque composers considered the _______ to be the touchstone of their art.

A. fugue

B. minuet

C. concerto

D. recitative

3. The character of a sound is referred to as its

A. texture.

B. line.

C. timbre.

D. pitch.

1. Gottschalk's Union is an example of _______ as an attempt to connect purely instrumental music with the wider world of events and ideas.

A. program music

B. lieder

C. modernism

D. art songs

2. The _______ of a song are often referred to as stanzas.

A. beats

End of exam

B. notes

C. verses

3. The _______ is the second act of the sonata form.

A. development

B. coda

C. exposition

D. recapitulation

4.Find the distance between the points (-4, 7) and (2, -5).

Question 1

Double blinding should always be used whenever possible.

True 

False

Question 2

Observational studies can establish association and association proves causation.

True 

False

Question 3

In a study of comparing two drugs, A and B, 100 patients are selected and given drug A, another 100 patients are selected and given drug B. The patients' responses are recorded. True or False: This is a controlled experiment.

True 

False

Question 1

A random sample of 1500 adults is taken. Their opinions about the performance of the President are recorded. True or False: This is a controlled experiment.

True 

False

Question 2

A Spanish survey of the health records of 2000 people showed that people in the coastal areas of Sppain are more inclined to suffer from lung problems than those in the mountainous areas. Which of the following is correct?

a.-This study proves that mountain people are healthier than other English ones.

b.-The sample size was too small for any conclusions to be drawn.

c.-This is an observational study and firm conclusions are difficult to draw.

d.-The placebo effect explains why so many coastal people were affected by lung problems.

e.-This was a controlled experimental study.

Question 3

or the given table, make a histogram, then find how many subjects are in the class interval from 9-12. There are 250 total subjects.

Educational Level(in Years) Frequency Percent

0-5 15 6

5-8 25 10

8-9 35 14

9-12 _____ 18

12-13 75 30

13-16 30 ______

16-17 25 10

Answer

75

35

47

45