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Q. How to calculate arithmetic average or mean?
Ans.
When people collect information, or data, they can easily be overwhelmed with information. Just imagine listing the birthdays of all the students in your school! One way of making sense of the data is to find the number that represents the information in the best possible way. There are three commonly used ways to measure the central tendency of a set of data; the mean, median and mode.
Mean
The mean, or arithmetic average, of a data set is denoted by . It is the average you have experience working with. Sum up all of the values in the data set and then divide by the number of values.
Forecasting Statistics is very significant for business managers while predicting the future of a business for illustration if a given business situation includes a independen
2/2
Find out the determinant: Find out the determinant of the following 3 x 3 matrix, expanding about row 1. Solution:
How to Converting Percents to Fractions ? To convert a percent to a fraction: 1. Remove the percent sign. 2. Create a fraction, in which the resulting number from Step 1 is
HOW DO YOU DO BAR DIAGRAMS ANDESTIMATE IT WITH PERCENTS
two rolls of carpet cost £574, the first cost £8 per meter, the second which is 7m longer costs £7 p/m. how many meters are there in each roll
which ratio is largar. 1. 15:16 or 24:25
143
Evaluate the volume and surface area of a rectangular solid: Calculate the volume & surface area of a rectangular solid along with a = 3", b = 4", & c = 5". Solution:
The distribution of sample means is not always a normal distribution. Under what circumstances is the distribution of sample means not normal?
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