cleve1057 cleve1057
  • 20-12-2022
  • Mathematics
contestada

act scores a survey of 1000 students nationwide showed a mean act score of 21.4. a survey of 500 alaska scores showed a mean of 21.1. if the population standard deviation in each case is 3, can we conclude the national average is greater than the alaska average? use

Respuesta :

Otras preguntas

write degrees celsius as a linear function of degrees fahrenheit.
What's 0.5 recurring as a fraction?
menstruation is a normal body process in women. to be hygienic durning this time female always? A) use scented spraysB) bathe or shower dailyC) use speical sani
Selective breeding happens in....
which is a chemical change A ice melting B ice being carved C. water boiling D water breaking down into hydrogen and oxygen
Children 13 years and older continue to build their vocabulary with an emphasis more on ____ than on _____
Rose works eight hours a day for five days a week. how many hours will she work in six weeks ?
Which shows a way to take apart 7?
Why did some leaders believe that unicameral legislatures created more democratic goverments
the specific volume of brass is 0.001865 ft3. what would be its density?