MATH 125 1.1: Terminology

Two statistics students at UCLA conducted an energy efficiency survey of the graduate students apartments. There were seven university apartment buildings, and the students randomly selected three to be included in the study. In each building, they randomly chose 25 apartments. What is the largest group of students that the study results represent? A) All UCLA graduate student apartments B) All UCLA graduate student apartments in this group of seven buildings C) All UCLA graduate student apartments in the three sampled buildings D) All UCLA graduate student apartments that were sampled in the three buildings

B) All UCLA graduate student apartments in this group of seven buildings

The city of Raleigh has 8,000 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 500 randomly selected registered voters was conducted. 198 said they'd vote for Brown, 275 said they'd vote for Feliz, and 27 were undecided. Describe the population the surveyors are really interested in. A) All citizens of Raleigh B) All registered voters in Raleigh C) All registered voters with telephones in Raleigh D) The 500 voters surveyed E) The 198 voters who said they'd vote for Brown F) None of the above

B) All registered voters in Raleigh

The city of Raleigh has 10,100 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 500 randomly selected registered voters was conducted. 281 said they'd vote for Brown, 193 said they'd vote for Feliz, and 26 said they were undecided. Describe the population of the city actually represented by this survey. A) All citizens of Raleigh B) All registered voters in Raleigh C) All registered voters with telephones in Raleigh D) The 500 voters surveyed E) The281 voters who said they'd vote for Brown F) None of the above

C) All the registered voters with telephones in Raleigh

Identify the population of the interest and sample in the following statement. A survey of 791 vacationers from the United States found that 59% of them planned on spending at least $2,000 for their next vacation. Population: Sample:

Population: All vacationers from the United States Sample: 791 vacationers

The city of Frederick has 9315 registered voters. There are two candidates for the city council in an upcoming election: Marfani and Rahman. The day before the election, a telephone survey of 500 randomly selected voters was conducted. Of them 125 said they would vote for Marfani, 106 said they would vote for Rahman, and 269 were undecided. What is the population size? What is the sample size?

What is the population size? 9315 people What is the sample size? 500 people

A political scientist surveys 36 of the current 104 representatives in a states legislature. What is the size of the sample? What is the size of the population?

What is the size of the sample: 36 What is the size of the population: 104

A political scientist surveys 77 of the current 173 representatives in a states congress. Of them, 34 said they were supporting the bill, 29 said they were not supporting the bill, and 14 were undecided. What is the population size? What is the sample size?

What us the population size? 173 representatives What is the sample size? 77 representatives

In a study, the data you collect is Favorite candy bar. This data is:

qualitative

In a study, the data you collect is Gender. This data is:

qualitative

In a study, the data you collect is Temperature in Celsius. This data is:

quantitative

In a study, the data you collect is Weight in pounds. This data is:

quantitative