1) It has been claimed that Celcom has the highest market share amongst cellphone users in Malaysia. A random sample of 250 cellphone users were asked which network they subscribe to. What type of data has been collected?

A.

ordinal

B.

nominal

C.

ratio

D.

interval

2) Which of the following statements involve descriptive statistics as opposed to inferential statistics?

A.

Based on a survey of 400 magazine readers, the magazine reports that 45% of its readers prefer articles related to health issues

B.

Based on a sample of 300 professional tennis players, a tennis magazine reported that 25% of the parents of all professional tennis players did not play tennis

C.

PDRM reported that 57 murders were committed in Kuala Lumpur in 1997

D.

Kuala Lumpur International Airport samples 500 air traffic controllers in order to estimate the percent retiring due to job stress related illness