How do you describe data?
Data is information recorded systematically and stated within its context. We collect data to analyze relationships between variables, of which there are two types: categorical variables, which name categories, and quantitative variables, which have numerical values with units.
What does the mad tell you about the data?
The mean absolute deviation is the “average” of the “positive distances” of each point from the mean. The larger the MAD, the greater variability there is in the data (the data is more spread out). The MAD helps determine whether the set’s mean is a useful indicator of the values within the set.
What is the mean and how do we tell if it’s representative of our data?
We use the variance, or standard deviation, to tell us whether it is representative of our data. The standard deviation is a measure of how much error there is associated with the mean: a small standard deviation indicates that the mean is a good representation of our data.
Why is it important to have a representative sample?
Representative samples are important as they ensure that all relevant types of people are included in your sample and that the right mix of people are interviewed. If your sample isn’t representative it will be subject to bias. The reason for the inaccuracy of the poll was an unbalanced, unrepresentative sample.
What makes a good sample?
In brief, a good sample should be truly representative in character. It should be selected at random and should be adequately proportional. These, in fact, are the attributes of a good sample.
What is a good representative sample size?
A good maximum sample size is usually 10% as long as it does not exceed 1000. A good maximum sample size is usually around 10% of the population, as long as this does not exceed 1000. For example, in a population of 5000, 10% would be 500. In a population of 200,000, 10% would be 20,000.
What is the meaning of representative?
(Entry 1 of 2) 1 : serving to represent. 2a : standing or acting for another especially through delegated authority. b : of, based on, or constituting a government in which the many are represented by persons chosen from among them usually by election.
What is an example of representative?
1. The definition of a representative is a person or thing that is an example or someone who is authorized to speak for someone else. An example of representative is the picture of the olive on the can that shows the size of the olives in the can.
What is the root word of Representative?
representative (adj.) “serving to represent,” late 14c., from Old French representatif (early 14c.), from Medieval Latin repraesentativus, from stem of Latin repraesentare (see represent).
What do you mean by legal representative?
defines legal representatives means a person who in law represents the estate of a deceased person, and includes any person person. Term “Legal representative” which is almost always held to be synonymous with term “personal representative”, means in accident cases.
Who are all legal representatives?
Legal representative is a person in law who represents the estate of the deceased and includes any person who intermeddles with the estate of deceased and where a party sues or sued in representative character, the person on whom the estate devolves on the death of the party so suing or sued.
Who qualifies as a legal representative?
Legal representative means a person empowered to act for another person, including an agent, a manager, an officer, a partner, or an associate of an organization; a trustee of a trust; a personal representative; a trustee in bankruptcy; and a receiver, guardian, custodian, or conservator.
What is another word for a representative?
Synonyms of representative
- agent,
- assignee,
- attorney,
- commissary,
- delegate,
- deputy,
- envoy,
- factor,