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Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available. Discrete data is information that can only take certain values.

The number of each type of treatment a salon needs to schedule for the week, the number of children attending a nursery each day or the profit a business makes each month are all examples of discrete data. This type of data is often represented using tally charts, bar charts or pie charts.

Continuous data is data that can take any value. Height, weight, temperature and length are all examples of continuous data. Some continuous data will change over time; the weight of a baby in its first year or the temperature in a room throughout the day. This data is best shown on a line graph as this type of graph can show how the data changes over a given period of time. Other continuous data, such as the heights of a group of children on one particular day, is often grouped into categories to make it easier to interpret.

The best choice here is b the tally chart since you can add to this data as each customer makes their choice. A bar or pie chart would also be suitable. The only choice here is c the line graph as it shows how the temperature changes over time. The best choice here is probably a the pie chart since it shows clearly the breakdown of each type of ticket sale.

A bar chart would also represent the data suitably. Making the decision to study can be a big step, which is why you'll want a trusted University. Take a look at all Open University courses If you are new to university level study, we offer two introductory routes to our qualifications.

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Everyday maths 2 Start this free course now. Free course Everyday maths 2. Activity 1: Presenting discrete and continuous data Match the best choice of graph for the data below. Chart to show favourite drink chosen by customers in a shopping centre. Chart to show the temperature on each day of the week. Chart to show percentage of each sale of ticket type at a concert. Figure 1 Different types of charts and graphs.

Long description. The best choice here is d the bar chart as it can show the profit clearly year by year. Summary In this section you have: learned about the two different types of data, discrete and continuous, and when and why they are used. Previous Introduction. Next 2 Tally charts, frequency tables and data collection sheets. Print Print. Take your learning further Making the decision to study can be a big step, which is why you'll want a trusted University.

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The classification of data as a frequency distribution has an inherent shortcoming. While it summarises the raw data making it concise and comprehensible, it does not show the details that are found in raw data. There is a loss of information in classifying raw data though much is gained by summarising it as a classified data. Once the data are grouped into classes, an individual observation has no significance in further statistical calculations. For example : the class 20—30 contains 6 obervations : 25, 25, 20, 22, 25 and

We shall continue our discussion on frequency distributions in this article by moving on to Frequency Distributions of Discrete and Continuous Variables. Table No. For a continuous variable if we take a class for each distinct value of the variable, the number of classes will become unduly large, thus defeating the purpose of tabulation. In fact, since a continuous variable can assume an infinite number of values within its range of variation, the classification or sub-division of such data is necessarily artificial. Some guidelines that should be followed while dividing continuous data into classes are as follows:. Let us consider the following example regarding daily maximum temperatures in in a city for 50 days.

These are differences between individual, discrete and continuous series Individual Series Discrete Statistical calculations in classified data are based on.

*There are several kinds of mean in mathematics , especially in statistics :. For a data set , the arithmetic mean , also known as average or arithmetic average, is a central value of a finite set of numbers: specifically, the sum of the values divided by the number of values. The arithmetic mean of a set of numbers x 1 , x 2 ,*

Around this value, there is high concentration of the values. It is neither the central value nor the total sum of series which makes any effect on it. Every distribution cannot have a unique value of Mode. It can have two or even more than two modal values. The terms are arranged in any order.

Cross Validated is a question and answer site for people interested in statistics, machine learning, data analysis, data mining, and data visualization. It only takes a minute to sign up. Discrete data can only take particular values. There may potentially be an infinite number of those values, but each is distinct and there's no grey area in between. Discrete data can be numeric -- like numbers of apples -- but it can also be categorical -- like red or blue, or male or female, or good or bad. Continuous data are not restricted to defined separate values, but can occupy any value over a continuous range.

In statistics, data is defined as the facts and figures collected together for the purpose of analysis. It is divided into two broad categories, qualitative data, and quantitative data. Further, the qualitative data is cannot be measured in terms of numbers and it is sub-divided into nominal and ordinal data. On the other hand, quantitative data is one that contains numerical values and uses range.

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*Это были ее первые слова за очень долгое время.*

Это беспокоило Фонтейна: к коммандеру сходится множество нитей в агентстве, а директору нужно оберегать свое ведомство. Фонтейну нужен был кто-то способный наблюдать за Стратмором, следить, чтобы он не потерял почву под ногами и оставался абсолютно надежным, но это было не так-то. Стратмор - человек гордый и властный, наблюдение за ним следует организовать так, чтобы никоим образом не подорвать его авторитета.

Он решил подумать об этом через минуту. Сейчас ему надо было совершить давно уже откладываемую прогулку в туалетную комнату. ГЛАВА 64 Сьюзан осталась одна в тишине и сумерках Третьего узла.

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## Azura L.

Statistical Series. Individual Series. Frequency Series. Raw data. Individual series. Discrete Series. Continuous series. Inclusive series. Exclusive series.

## Arridano Г.

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## Gema R.

STATISTICS FOR ECONOMICS. How Arithmetic in case of continuous series is same as that of a discrete individual and discrete series. The value of Q1.