Treherne361
Treherne361 Treherne361
  • 28-10-2014
  • Mathematics
Answered

What is the mean of the set of numbers? {–9, –8, 4, –1} A. –5.5 B. –3.5 C. –2.8 D. 14



Answer :

luana
luana luana
  • 28-10-2014
[tex]Formula\ for mean=\frac{sum\ of\ numbers}{amount\ of\ numbers}\\\\ Mean=\frac{-9-8+4-1}{4}=\frac{-14}{4}=-3,5\\\\Mean\ is\ equal\ to\ -3,5. [/tex]
Answer Link
eah
eah eah
  • 28-10-2014
Mean = (- 9 - 8 + 4 - 1) / 4
         = (- 14) / 4
         = - 3,5

Answer : B 
Answer Link

Other Questions

what natural resources might iraq need from north america
there are 19 dogs the owner gave away 9 how many are left?
What metric units are used to report the mass of an object?
how do you do this equation? 9x+(y)i-5=-12+4
The moon is about 240,000 miles from earth . What is the distance written as a whole number multiplied by a power of ten
How are elements and compounds similar
How do the actions of earthworms improve soil quality? How does this impact the amount of biomass an ecosystem can support?
how do you do this equation? 9x+(y)i-5=-12+4
A student places four T-shirts outside on a sunny day. Which color shirt will reflect the most light? -Red -Black - Green - White
What did Baruch S. Blumberg invent that later on won him a Nobel Prize in 1976?