Business Stats Unit 1

Statistics is the science of conducting studies to _____________, __________________, ___________________, and ____________ ___________________ from data.

Adrian, a patient service associate wonders why he has to study statistics when he has no use for it. Identify the reasons for studying statistics.

• To show off.

• To be able to read and understand statistical studies.

• To be able to become this year Nobel Prize winner.

• To be able to conduct research.

• To become better consumers and citizens.

Identify a), b), c), d) in the figure.

A research study was conducted in Singapore on the number of smokers. There were a total of 100,000 people who are smokers. Of which, 30,000 of them are aged 18 years and below. Identify the population size and sample size.

• Population size = 100,000

• Sample size = 100,000

• Population size = 70,000

• Sample size = 30,000

• Population size = 30,000

A group of students conducted research on the waiting time at a particular clinic in the morning when the clinic just started. The sample data collected is considered to be ____________________.

Weather forecast is a form of

• descriptive statistics

• inferential statistics

• differences statistics

• predictive statistics

State the FIVE uses of statistics

List the SEVEN ways of misuse of statistics.

A study was conducted for 25 years on the lifestyle and its relationship to heart attacks among youngsters between 18 - 25 years old. Identify the above study design.

• cross-sectional study

• retrospective study

• prospective study

• longitudinal study

Identify the SEVEN steps in formulating a statistical inquiry.