0
Review the lesson about Midrange of a data set carefully before taking this quiz. When answering questions, keep in mind...
Read More
0
Review the lesson about mode of a data set carefully before taking this quiz. When answering questions, keep in mind...
Read More
0
Review the lesson about median of a set of data carefully before taking this quiz. When answering questions, keep in...
Read More
0
Review the lesson about mean from a frequency table carefully before taking this quiz. When answering questions, keep in mind...
Read More
0
Review the lesson about Arithmetic mean carefully before taking this quiz. When answering questions, keep in mind that there may...
Read More
0
Review the lesson about Types of variables carefully before taking this quiz. When answering questions, keep in mind that there...
Read More
0
Review the lesson about Variable, element, data set, and observation carefully before taking this quiz.
Read More
0
Review the lesson about Common sampling methods carefully before taking this quiz.
Read More
0
Review the lesson about representative sample carefully before taking this quiz.
Read More
0
Review the lesson about what is a survey carefully before taking this quiz.
Read More
0
Review the lesson about population versus sample carefully before taking this quiz.
Read More
0
Review the lesson about types of statistics carefully before taking this quiz.
Read More
0
Review the lesson about what is statistics carefully before taking this quiz
Read More
0
Just like quartiles, percentiles and percentile rank are among the measures of position. Percentiles divide a ranked data (ordered set...
Read More
0
Quartiles and interquartile range are among the measures of position. Just like the name indicates, quartiles divide a ranked data...
Read More
0
Here we show some examples of binomial experiments. But before we do so, what is a binomial experiment? When an...
Read More
0
Find here some normal distribution word problems or some applications of the normal distribution. Example #1 Suppose the current annual...
Read More
0
Finding the z-scores for a specified area is the reverse procedure of finding the area under the normal curve. You...
Read More
0
Standardizing a normal distribution is to convert a normal distribution to the standard normal distribution. In real-world applications, a continuous...
Read More
0
Learn how to calculate the area under the standard normal curve. This is an important skill, so study the following...
Read More
0
Here is the standard normal distribution table. The entries give the areas under the standard normal curve from 0 to...
Read More
0
The standard normal distribution (SND) is a special case of the normal distribution. When a normally distributed variable has a...
Read More
0
The normal probability distribution, also called normal curve, is a special type of bell-shaped curve like the one you see...
Read More
0
The continuous probability distribution is a table that shows the frequency and relative frequency of a continuous random variable. Recall...
Read More
0
The mean of the sampling distribution of x̄ (also called mean of x̄) is the mean of all possible sample means....
Read More
0
This lesson will show the difference between sampling and nonsampling errors. Using a sample in order to get information about...
Read More
0
As stated in the previous lesson, the population mean is always constant. However, different samples of the same size drawn...
Read More
0
The population distribution is the probability distribution using all elements of a population. Suppose there are 5 students in a...
Read More
0
The Poisson probability distribution is named after the French mathematician Simeon D. Poisson. Suppose there is a power outage in...
Read More
0
Here is a list of the types of averages used in statistics also called or measures of central tendency. We...
Read More
1
Summation notation is used to denote the sum of values. Suppose you have a sample consisting of the ages of...
Read More
0
Suppose we are selecting a few items from a large number of distinct items and you are trying to find...
Read More
0
We define the factorial of a number as the multiplication of all integers from that number to 1. We use...
Read More
0
The standard deviation of a discrete random variable is denoted by σ and the formula to use to compute it...
Read More
1
The mean of a discrete random variable x is the average value that we would expect to get if the...
Read More
0
The probability distribution of a discrete random variable shows all possible values a discrete random variable can have along with...
Read More
0
Before giving a definition for discrete random variable, let us define random variable. A random variable is a variable that...
Read More
0
Using the addition rule for probability, we will show you how to find the probability of the union of two...
Read More
0
When you get the probability of the intersection of two events, we call this probability joint probability. Let A and...
Read More
Most Commented Posts
- Probability of complementary events By Author on August 22, 2016 3
- Standard Deviation By Author on February 22, 2016 2
Most Liked Posts
- Chebyshev’s Theorem By Author on August 18, 2016 8
- Variance and standard deviation for grouped data By Author on August 12, 2016 8
- Mean from a Frequency Table By Author on February 8, 2016 3
Recent Comments