Se encuesta a un grupo de personas en un concierto de música contemporánea y se registra la siguiente muestra la cual está formada por la edad de los asistentes: 10 20 16 32 45 40 21 11 44 19 12 15 40 26 50 32 18 30 23 14 30 43 36 41 22 32 49 53 25 17a).- Ordene los datos anteriores en una tabla de frecuencias de clasesb).-Determine la media, la mediana y la moda muestral. c).- Si la media poblacional de la edad de los asistentes a este tipo de conciertos es de 30 años, ¿a qué conclusión se puede llegar con los resultados obtenidos de la muestra estudiada? Justifique su respuesta.

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?