In our day to day life, we normally use percentages to describe the amount or quantity of things relative to its whole portion. For example, if we want to describe half of a pie, then we c...Read More
Histograms are often seen and used in math classes. They are graphs that look like a bar graph where the bars are vertical. It shows each set of data in numerical terms. Karl Pearson created the...Read More
The median is the middle data. There are 226 data, therefore the middle data is 226/2=113th and 114th.
By reading the frequency we can see that the 113th and the 114th data are in the...Read More
Standard Deviation is calculated in a few steps as mentioned below:
Step 1: Calculate the mean of given numbers
Step 2: Subtract the mean with each number and calculate the square of it....Read More
The answer is 6.5 I'm pretty sure... You have to put the numbers in numerical order first, then find the middle from the list of scores there. If there is an even number of total scores, then there...Read More
Since it is specified in the question that A and B are independent of each other, the probability of event A happening is the same as the probability of event B happening. However, without more...Read More
Statistics is defined as the practice or the science of collecting and analyzing numerical data in large quantities. This is especially useful in inferring proportions of a whole from a...Read More
TER or Total Expense Ratio is a type of measurement that shows the operating cost of a fund, usually in the form of a percentage. At times, you might see people referring to TER as...Read More
ANCOVA or Analysis of Covariance is a statistical tool that depends on linear regression, which means the dependent variable must be linear to the independent variable. This statistical method is...Read More
A bar graph is one of the main graphical representation techniques in statistics. It is used to display well-defined values of the qualitative information on a horizontal axis and the relative...Read More
Parameter and statistic both are descriptions for groups. The difference between them is the type of group that each describes. Parameters describe populations. Statistics describe samples from...Read More
1. Obtain your sample data and get it written down, most preferably in tabular form.
2. The next thing to do is to get a suitable formula for your calculations that is the formula of varian...Read More