Answer:

Step-by-step explanation:
Given: 76,45,64,80,92
Required: Determine the standard deviation
We start by calculating the mean

Where x-> 76,45,64,80,92 and n = 5



Subtract Mean (71.4) from each of the given data

Determine the absolute value of the above result

Square Individual Result

Calculate the mean of the above result to give the variance


Hence, Variance = 255.298
Standard Deviation is calculated by 



That is a rational number.
Answer:35
Step-by-step explanation:
Answer:
1. Points scored
Step-by-step explanation:
A numerical data is defined as a data that is made up of numbers representing the quantity of a measurement. It is a measurable data such as weight or height, at it can be arranged in ascending or descending order as well as being able to provide an average.
The two types of numeric data are discrete and continuous data
A categorical data is made up of item labels, names or description, that are qualitative in their nature.
Information about a football team that is considered as numeric includes
1. Points scored
Which represents a quantifiable measurement that can be different with different teams and matches
2. Attendance this year.