Statistics And Probability Archive: Questions from March 11, 2023
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A large sample is selected from a normal distribution. The middle \( 95 \% \) of the sample data falls between 27 and 33 1. The sample mean is 2. The samples standard deviation es 15 Considere una mue2 answers -
Considere una muestra de tamano \( n=10 \) con media \( \bar{x}=0.5 \) y varianza \( s^{2}=4.8 \). Encuentre. 1. \( \sum x= \) 2. \( \sum x^{2}=43.1 \quad x \)2 answers -
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Resuelva los siguientes ejercicios. ( 20 puntos) 1. En un estudio estadistico se desea saber el grado de satisfacción de los estudiantes de ingenieria con las facilidades que le brinda una universida2 answers -
2. En un hospital se ha ido anotando, durante un mes, el número de metros que cada niño camina seguido y sin caerse, el primer dia que comienza a caminar. En una muestra de 40 niños los datos son l2 answers -
1. 13 mefia de bartutriterivin as 2. 1a merians is 4. fil ranog mesint Si ta ubuada e 6. Li armiadiden entineles on R. trang os 2. 8 aumert tin Hit aurti 2 es no. 1 t quates in 11. Il jeectind ins 12.0 answers -
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Conplete la siguiente tabta agrupada 154 \( 12^{2} f \) \[ \begin{array}{l} 2 \sum^{4} f \\ 3 \sum^{2} f \end{array} \]2 answers -
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