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Q: If there are 15 leaves on a stem-and-leaf plot how many values are in the data set?
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There are 15 leaves on a stem and leaf plot how many values are in this data?

There are 15 values.


What is Data that has infinitely many possible values that correspond to a scale that covers a range of values without gaps interruptions or jumps?

It can be data over any single interval in the set of real numbers.


What is the significance of the median value for a set of data?

It is halfway along the distribution of set values. There are as many members of the set with values smaller than the median as there are with values bigger than it.


A set of 1000 values has a normal distribution the mean of the data is 120 and the standard deviation is 20 how many values are within one standard deviaiton from the mean?

The Empirical Rule states that 68% of the data falls within 1 standard deviation from the mean. Since 1000 data values are given, take .68*1000 and you have 680 values are within 1 standard deviation from the mean.


When using statistical analysis normality is based on what?

Many statistics are based on the assumption that various underlying data or functions of data are normally distributed. For example, the t and F tests are based on this type of assumption; but there are many others. In practice, many data that may be observed follow approximate normal distributions because they are, in effect, sums of random variables and the central limit theorem comes into play. In other practical situations, functions of the data are known to follow the normal distribution in most cases. For example, in many cases taking the logarithm or the arcsin of data values will yield (approximately) normally distributed values. Beyond this, it is well known that many statistical procedures perform well even when the underlying distribution is not normal. They are said to be 'robust' and can be safely applied provided that certain conditions are met.

Related questions

There are 15 leaves on a stem and leaf plot how many values are in this data?

There are 15 values.


What is data that youy type directly in a cell in Microsoft Excel?

It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.It can be called values or raw data, and it is also what becomes the cell contents. It can be many forms of data such as text, numbers, dates, times and logicial data, like TRUE and FALSE.


What computer measures data on a scale with many values?

Analog computer


What is Data that has infinitely many possible values that correspond to a scale that covers a range of values without gaps interruptions or jumps?

It can be data over any single interval in the set of real numbers.


What is the significance of the median value for a set of data?

It is halfway along the distribution of set values. There are as many members of the set with values smaller than the median as there are with values bigger than it.


If a great many data values cluster to the left of a data distribution which then tails off to the right the distribution is referred to as?

It is a positively skewed distribution.


A set of 1000 values has a normal distribution the mean of the data is 120 and the standard deviation is 20 how many values are within one standard deviaiton from the mean?

The Empirical Rule states that 68% of the data falls within 1 standard deviation from the mean. Since 1000 data values are given, take .68*1000 and you have 680 values are within 1 standard deviation from the mean.


What are the distinctive features of a Relational Data Base?

Relational databases store data in tables with rows and columns, allowing for efficient data retrieval and manipulation using structured query language (SQL). They enforce data integrity through constraints such as primary keys, foreign keys, and uniqueness constraints. Relationships between tables can be established through keys, enabling data normalization to reduce redundancy and ensure consistency.


A pie chart is limited to how many data series?

A pie chart can only have one data series in it. They show how the components make up one unit. The series can have many values in it, but it can only be one series.


Are rifle serial number databases available?

Yes. Many books have sn data. Blue book of gun values is one.


Would a histogram help you interpret data?

In many cases, histograms help interpretations. But you can probably think of cases where this is not true. Perhaps you have too few values. Perhaps your data has many flaws or errors in it. Sometimes, people will select the data that they want think supports their idea, and make histograms using only this data. See related link on histogram.


What does discrete data mean in maths?

Discrete - Each recorded data has a particular whole value e.g. Number of pencils in pencil cases, Number of correct answers in a test Continuous - The recorded data can have any value in a given range e.g. Height of students, Time taken to run 100m