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Why is the mode not used very much as a measure of central tendency?
The mode is the value with the most data. Unfortunately it tells you nothing about the rest of the distribution. The mean and median provide more useful information in most situations.
What kind of graph is most useful when you want to show data that are parts of a whole?
circle graph
What type of graph is most useful for science data?
if you are graphing a change over time, a line graph. if you are comparing data, it's a bar graph.
What is the mode in data handling?
The mode is the value that appears most frequently in a data set. It is a measure of central tendency, similar to the mean and median, but specifically highlights the most common value. A data set can have one mode (unimodal), more than one mode (bimodal or multimodal), or no mode at all if all values occur with the same frequency. The mode is particularly useful for categorical data where we want to identify the most common category.
How are the mean median and mode helpful in describing data?
The mean, median, and mode are essential statistical measures that summarize data sets and provide insights into their central tendency. The mean offers an average value, the median identifies the middle point when data is ordered, and the mode highlights the most frequently occurring value. Together, they help researchers and analysts understand the distribution and characteristics of data, making it easier to interpret trends and make informed decisions. Each measure can reveal different aspects of the data, especially in cases of skewed distributions or outliers.
When is each measure of central tendency most useful?
Mode: Data are qualitative or categoric. Median: Quantitative data with outliers - particularly if the distribution is skew. Mean: Quantitative data without outliers, or else approx symmetrical.
What would be most useful in tracking the movement of a tropical storm?
Weather data charts for the past month would be most useful.
Which unit of radiation dose- rem or rad -is most useful for describing the effect of radiation on living tissue?
rem
Which unit of radiation dose rem or rad is most useful for describing the effect of radiation on living tissue?
rem
Is useful when the most common item characteristic or value of a data set is required a The mode b The median c The mean d None of these?
The mode
What type of map is most useful for describing the terrain of a very hilly lot?
A topographic map would be most useful for describing the terrain of a very hilly lot. Topographic maps show the elevation and relief of the land through contour lines, making them ideal for accurately representing the hills and valleys of a hilly lot.
What type is most useful for making predictions about predictions about dependent variables?
Data tabel
How are charts useful in presentation of data?
Its a visual representation which is easier to understand to most people.
Why is the mode not used very much as a measure of central tendency?
The mode is the value with the most data. Unfortunately it tells you nothing about the rest of the distribution. The mean and median provide more useful information in most situations.
When are bar charts the most useful?
Bar charts are most useful for comparing discrete categories or groups of data. They are effective in displaying the distribution or relationship between different variables in a visually clear and concise manner.
The 'mean' is useful only if there is variability in the .?
The 'mean' is useful only if there is variability in the dataset, as it provides a central tendency that reflects the average of the values. In a dataset with no variability (where all values are identical), the mean becomes trivial, as it will simply equal that constant value. Therefore, the mean is most informative when it can summarize the distribution of diverse data points, highlighting trends and patterns within the variability.
What kind of graph is most useful when you want to show data that are parts of a whole?
circle graph
