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Ch. 1 Data Collection
1.1 Introduction to the Practice of Statistics
1 Define statistics and statistical thinking.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) What is statistics?
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) Which of the following is not true of statistics?
A) Statistics is used to answer questions with 100% certainty.
B) Statistics involves collecting and summarizing data.
C) Statistics can be used to organize and analyze information.
D) Statistics is used to draw conclusions using data.
2 Explain the process of statistics.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Determine whether the underlined value is a parameter or a statistic.
1) In a survey conducted in the town of Atherton, 25% of adult respondents reported that they had been involved in at least one car accident in the past ten years.
A) statistic
B) parameter
2) 28.2% of the mayors of cities in a certain state are from minority groups.
A) parameter
B) statistic
3) A study of 3700 college students in the city of Pemblington found that 8% had been victims of violent crimes.
A) statistic
B) parameter
4) 51.5% of the residents of Idlington Garden City are female.
A) parameter
B) statistic
5) Telephone interviews of 372 employees of a large electronics company found that 65% were dissatisfied with their working conditions.
A) statistic
B) parameter
6) The average age of the 65 students in Ms. Hopeʹs political science class is 21 years 7 months.
A) parameter
B) statistic
7) Mark retired from competitive athletics last year. In his career as a sprinter he had competed in the 100 -meters event a total of 328 times. His average time for these 328 races was 10.25 seconds.
A) parameter
B) statistic
SHORT ANSWER. Write the word or phrase that best completes each statement or answers
1.1 Introduction to the Practice of Statistics
1 Define statistics and statistical thinking.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) What is statistics?
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) Which of the following is not true of statistics?
A) Statistics is used to answer questions with 100% certainty.
B) Statistics involves collecting and summarizing data.
C) Statistics can be used to organize and analyze information.
D) Statistics is used to draw conclusions using data.
2 Explain the process of statistics.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Determine whether the underlined value is a parameter or a statistic.
1) In a survey conducted in the town of Atherton, 25% of adult respondents reported that they had been involved in at least one car accident in the past ten years.
A) statistic
B) parameter
2) 28.2% of the mayors of cities in a certain state are from minority groups.
A) parameter
B) statistic
3) A study of 3700 college students in the city of Pemblington found that 8% had been victims of violent crimes.
A) statistic
B) parameter
4) 51.5% of the residents of Idlington Garden City are female.
A) parameter
B) statistic
5) Telephone interviews of 372 employees of a large electronics company found that 65% were dissatisfied with their working conditions.
A) statistic
B) parameter
6) The average age of the 65 students in Ms. Hopeʹs political science class is 21 years 7 months.
A) parameter
B) statistic
7) Mark retired from competitive athletics last year. In his career as a sprinter he had competed in the 100 -meters event a total of 328 times. His average time for these 328 races was 10.25 seconds.
A) parameter
B) statistic
SHORT ANSWER. Write the word or phrase that best completes each statement or answers