bbostter501 bbostter501
  • 15-04-2024
  • Physics
contestada

A sample of 35 observations has a mean 80 and S.D. as 4. A second sample of 65 observations from the same population has mean 70 and S.D. as 3. The SD of the combined sample is:

Respuesta :

Otras preguntas

I need help with this maths question
A road crew must repave a road that is 3/8 miles long. They can repave 1/48 miles each hour. How long will it take the crew to repave the road? Write your answe
Identifying which colors have appropriate meaning based on culture is a matter of
In reproductive cloning, a sperm is not used, but an egg is still required. why?
Need help on 1-6 please I need to solve for x and I need to get this done.
In preparation for the journey to jerusalem, ezra proclaimed a _____.
Can anyone let me know the answers for these 2 problems
How many periods of time, each 1/3 of an hour long, does a 8-hour period of time represents
can a function hit x twice
50 POINTS!!!!!!!!!!! PLEASE HELP ME How should Florida address its growing energy demands, and what energy sources should the state focus on in the future?