____ Introduction to statistics_____
Learn basic terms of statistics/Collecting data
The statistics made easy website will provide you with some essentials skills in statistics. Statistics is a very important branch of mathematics and the study of statistics has become more popular than ever before. Today all of us rely on statistical data in order to make an informed decision. For example, business leaders need statistical data to make decisions affecting production levels, future hiring, and so forth. Start your journey with this important field here!
_____ Organizing data ______
Organize data with tables and graphs
28Jan
Spread of a normal distribution
0 CommentsThis lesson will show how the value of the standard deviation or σ gives the spread of a normal distribution.Recall…
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Central limit theorem
0 CommentsYou can use the central limit theorem when sampling from a population that is not normally distributed.Most of the time…
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Unbiased estimator
0 CommentsBefore explaining what an unbiased estimator is, let us explain what an estimator is. An estimator is a value or…
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Sampling from a normally distributed population.
0 CommentsWhat can we conclude when sampling from a normally distributed population?In other words, what can we conclude about samples drawn…
Read More25Jan
Standard deviation of the sampling distribution of x̄
0 CommentsThe standard deviation of the sampling distribution of x̄ is is [latexpage] \[ \sigma_{\overline{x}} = \frac{\sigma }{\sqrt{n} } \] where…
Read More28Oct
Midrange of a data set quiz
0 CommentsReview the lesson about Midrange of a data set carefully before taking this quiz. When answering questions, keep in mind…
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Mode of a data set quiz
0 CommentsReview the lesson about mode of a data set carefully before taking this quiz. When answering questions, keep in mind…
Read More27Sep
Median of a set of data quiz
0 CommentsReview the lesson about median of a set of data carefully before taking this quiz. When answering questions, keep in…
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Mean from a frequency table quiz
0 CommentsReview the lesson about mean from a frequency table carefully before taking this quiz. When answering questions, keep in mind…
Read More25Sep
Arithmetic mean quiz
0 CommentsReview the lesson about Arithmetic mean carefully before taking this quiz. When answering questions, keep in mind that there may…
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____ Measures of central tendency ____
Interpret data sets with the mean, median, mode
standard deviation, range, and percentiles.
____ Probability ____
Calculate marginal, conditional, and joint
probabilities. Addition and multiplication rule.
____ Discrete random variables ____
Create a theoretical model describing how an experiment is expected to behave. Then, get its parameters.
____ The normal distribution ____
Discuss the continuous random variable, the normal distribution and some of its many real life applications.