Answer:
The standard deviation reduces when sample size (n) increases
Step-by-step explanation:
From the above information given, we have that mean = 75.5
Standard deviation = 3.5
But Standard deviation = √summation (x-u)/n
This simply implies that when sample (n) is increased there would be a reduction in the standard deviate.
He will give about 99 prizes to each student
True
5^2 = 25
12^2 = 144
25+144=169
13^2=169
Answer: a
Step-by-step explanation:
multiply each answer by 10
Let's solve this using unitary method ~
Therefore , the ostrich will run 105 meters in 5 seconds.
