As part of a study on thymus gland development, the researchers weighed the glands of five chicken embryos afte 14 days

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As part of a study on thymus gland development, the researchers weighed the glands of five chicken embryos afte 14 days

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As Part Of A Study On Thymus Gland Development The Researchers Weighed The Glands Of Five Chicken Embryos Afte 14 Days 1
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As Part Of A Study On Thymus Gland Development The Researchers Weighed The Glands Of Five Chicken Embryos Afte 14 Days 2
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As part of a study on thymus gland development, the researchers weighed the glands of five chicken embryos afte 14 days incubation. The thymus weights (mg) were as follows: 29.6 21.5 28.0 34.6 44.9 For these data, ! is 31.7 and the sis 8.7. (a) Find the standard error of the mean. (b) Construct a 90% confidence interval for the population mean. (c) Construct a 95% confidence interval for the population mean. (d) Interpret the confidence interval that you found in part (b) and (c). That is, explain what the numbers in the interval mean. (e) Compare the 90% and 95% confidence intervals. Which intervals are more wide? What does this mean?

Como parte de un estudio sobre el desarrollo de la glándula del timo, los investigadores pesaron las glándulas de cinco embriones de pollo después de 14 días de incubación. Los pesos de timo (mg) fueron los siguientes: 29.6 21.5 28.0 34.6 44.9 Para estos datos, y es 31.7 y las es 8.7. (a) Calcule el error estándar de la media. (b) Construya un intervalo de confianza del 90% para la media de la población. (c) Construya un intervalo de confianza del 95% para la media de la población. (d) Interprete el intervalo de confianza que encontró en la parte (b) y (c). Es decir, explique qué significan los números en el intervalo. (e) Compare los intervalos de confianza del 90% y del 95%. ¿Cuáles intervalos son más amplios? ¿Qué significa esto?
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