Pregunta
Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours
was 3.09 with a standard deviation of 2.78 . Assume that in a sample of 39 teenagers, the sample standard deviation of daily TV time is 4.2 hours, and that the
population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers is greater
than 2.78 ? Use the
Part:
State the appropriate null and alternate hypotheses. 1 of 5
was 3.09 with a standard deviation of 2.78 . Assume that in a sample of 39 teenagers, the sample standard deviation of daily TV time is 4.2 hours, and that the
population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers is greater
than 2.78 ? Use the
Part:
State the appropriate null and alternate hypotheses. 1 of 5
Ask by Cross Griffiths. in the United States
Dec 08,2024
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
- Null Hypothesis (
): - Alternative Hypothesis (
):
Solución
¡Inicia sesión para desbloquear respuestas gratis!
Una plataforma de aprendizaje en la que confían millones de estudiantes y profesores reales.
Descubrir Respondido por UpStudy AI y revisado por un tutor profesional
Como
Extra Insights
To determine whether the population standard deviation of TV watching times for teenagers is greater than 2.78 hours, we need to set up our hypotheses.
The null hypothesis (
The alternative hypothesis (
This sets the stage for conducting a statistical test to see if we can reject the null hypothesis in favor of the alternative hypothesis!
¡Prueba Premium ahora!
¡Prueba Premium y hazle a Thoth AI preguntas de matemáticas ilimitadas ahora!
Quizas mas tarde
Hazte Premium
