The post is about MCQs Data and Variables. There are 20 multiple-choice questions related to variables, data, population, sample, and types of variables. Let us start with MCQs Data and Variable with Answers.
Online Multiple choice questions about Variable and Data with Answers
MCQs Data and Variable with Answers
- When data are collected in a statistical study for only a portion or subset of all elements of interest we are using:
- In statistics, a population consists of:
- In statistics, a sample means:
- In statistics, conducting a survey means:
- A data set is a:
- A variable is a:
- An observation is the:
- A quantitative variable is one that can:
- A qualitative variable is the one that:
- Time-series data are collected:
- Cross-section data are collected:
- Which one of the following is an example of qualitative data?
- Which one of the following is an example of cross-section data?
- Which one of the following is a continuous variable?
- What tasks are involved in data cleaning? Select all that apply
- What is the main objective of data cleaning?
- A statistician wants to determine the total annual medical costs incurred by all districts of Pakistan from 1981 to 2001 as a result of health problems related to smoking. He polls each of the districts annually to obtain health care expenditures, in dollars, on smoking-related illnesses. Which one of the following is not a true statement?
- A scientist is experimenting to determine the relationship between the consumption of a certain type of food and high blood pressure. He conducts a random sample on 2,000 people and first asks them a “yes” or “no” question: Do you eat this type of food more than once a week? He also takes the blood pressure of each person and records it (for example: 120/80). Which one of the following statements is true?
- Variables whose measurement is done in terms such as weight, height, and length are classified as
- Government and non-government publications are considered as
