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Introduction of Statistics

Total questions: 28

Worksheet time: 42mins

Name
Class
Date
1.

One of the purpose of Statistics is it teaches people to use a limited sample to make intelligent and accurate conclusions about a greater population. 

a)

True

b)

False

2.

Qualitative variables aren’t ordered on a numerical scale in statistics so they are assigned nominal scales. 

a)

True

b)

Answer

3.

Pilot testing is a rehearsal of your research study, allowing you to test your research approach with a large number of test participants before you conduct your main study

a)

True

b)

False

4.

Population and Housing Census of Malaysia 2020 is a census project that will be carried out in all housing and residential areas throughout Malaysia in the year 2020.

a)

True

b)

false

5.

Continuous variables cannot be a numeric variable that have an infinite number of values between any two values.

a)

True

b)

False

6.

You are conducting a survey of the people of Malacca to find out how popular the ‘Asam Pedas’ are. You randomly choose people to call and make 1,000 phone calls to people scattered across Malacca. In this study, what is the statistics term for the ‘people in Malacca., and what is the statistics term for the people you called?

a)

A.    Both the people of Malacca and the people you called are samples.

b)

B. Both the people of Malacca and the people you called are populations.

c)

C.    The people of Malacca are the population, and the people you called are the sample.

d)

D.    The people of Malacca are the sample, and the people you called are the population.

7.

A large company surveys 100 employees by taking random samples of 10 managers and 90 non-managerial employees. How would you classify the type of method of this sample?

a)

A.    Classify them by using Simple random sample

b)

B.    Classify them by using Stratified random sample

c)

C.    Classify them by using Cluster random sample

d)

D.    Classify them by using Systematic random sample

8.

A store prints a request on each receipt to ask customers to fill out a satisfaction survey online if they are willing. How would you classify is this sample?

a)

A.    Classify them by using Systematic random sample

b)

B.    Classify them by using Stratified random sample

c)

C.    Classify them by using Simple random sample

d)

D.    Classify them by using Voluntary response sample

9.

Each law firm in one state registers its phone number with the state court system. An employee of the state court system uses a computer to select 50 random registered phone numbers, and the law firms associated with those numbers will be selected for an audit. How would you classify is this sample?

a)

A. Classify them by using Simple random sample

b)

B.    Classify them by using Stratified random sample

c)

C.    Classify them by using Systematic random sample

d)

D.    Classify them by using Voluntary response sample

10.

A large bakery mass produces cakes on an assembly line. Each shift, a quality control expert randomly selects one of the first ten finished cakes, and every tenth cake thereafter. Employees weigh those cakes and give the cakes a detailed visual check. How would you classify is this sample?

a)

A. Classify them by using Simple random sample

b)

B.    Classify them by using Stratified random sample

c)

C.    Classify them by using Systematic random sample

d)

D.    Classify them by using Voluntary response sample

11.

An airline offers a certain flight once per day that usually contains about 250 passengers. The flight offers seats in first class (most expensive), business class, and economy class (least expensive). The airline wants to survey 500 passengers of this flight about their overall satisfaction. The passengers will be selected using a cluster random sample where each flight is a cluster. Discover the reason for the airline chose a Cluster Random Sample instead of a Simple Random Sample in this setting?

a)

A. A cluster sample chooses some passengers from each flight, so the airline will be more likely to get a representative sample.

b)

B. Contacting all the passengers on all flights will probably be more efficient than contacting passengers spread out across many flights.

c)

C. A simple random sample might be able to include a fair number of first-class passengers. If the flights are used as random, then some of the passengers on a flight will be sampled, and some passengers of each class will be involved in the survey.

d)

D. A simple random sample might result in a disproportionate number of passengers from one or more classes, but a cluster sample is less likely to suffer this issue.

12.

Hazim is comparing different apartment complexes. The table shows the data that he collected. What do you discover on the focus of this data set?

a)

Bedroom

b)

Amenities

c)

Apartment complex

d)

Rental

13.

By referring to the table given, classify the types of this data set?

a)

A. 4 variables, 2 of which are categorical

b)

B.   4 variables, 3 of which are categorical

c)

C.    5 variables, 2 of which are categorical

d)

D.    5 variables, 3 of which are categorical

14.

Radhi is comparing rooms at a conference centre. The table below shows some data that he collected. Classify the types of this data set.

a)

A.    4 variables, 1 of which is qualitative

b)

B.    4 variables, 2 of which is quantitative

c)

C.    5 variables, 1 of which is quantitative

d)

D.    5 variables, 2 of which is qualitative

15.

The collection of all elements of interest in a study is defined as population.

a)

TRUE

b)

FALSE

16.

Descriptive statistics deals with methods that enable a person to derive conclusion from the collected data.

a)

TRUE

b)

FALSE

17.

Discrete data are generally expressed as integers or whole numbers.

a)

TRUE

b)

FALSE

18.

Secondary data is unpublished data which must be gathered by the person who need to use the data or data released by the organization that collected them

a)

TRUE

b)

FALSE

19.

Information which has not been processed is known as raw data.

a)

TRUE

b)

FALSE

20.

Which one of the following variables is not qualitative variable?

a)

Age of person

b)

Gender of a person.

c)

Choice on a test: true or false.

d)

Marital status of a person

21.

The process of getting information from the whole population is called

a)

Pilot Survey

b)

Sampling Frame

c)

Census

d)

Sampling

22.

A structure which lists all the members of the target population is called

a)

parameter

b)

pilot survey

c)

sampling frame

d)

census

23.

Primary data may be obtained through all the following except

a)

Direct observations

b)

 Interviews

c)

Official statistics from the National Statistics Department

d)

Questionnaires filled by customers

24.

The number of children in the family, the number of calls received in a month, and the number of courses taken this semester are examples of

a)

Discrete data

b)

Qualitative data

c)

Univariate data

d)

Continuous data

25.

Which of the following is not one of the six major methods of data collection that are used by educational researchers?

a)

Observation

b)

Interviews

c)

Checklists

d)

Questionnaires

26.

People who are available, volunteer, or can be easily recruited are use in the sampling method called

a)

Convenience sampling

b)

Simple random sampling

c)

Cluster sampling

d)

Systematic sampling

27.

In which the following non-random sampling techniques does the researcher ask the research participants to identify other potential research participants?

a)

Quota sampling

b)

Judgemental sampling

c)

Snowball sampling

d)

Cluster sampling

28.

To which of the following options do individual respondents, focus groups, and panels of respondents belong?

a)

Primary data sources

b)

Secondary data sources

c)

Itemised data sources

d)

Pointed data sources