Evaluación. Según el siguiente estudio de edades en un grupo de personas asistentes a una capacitación 49,52,57,58,60,65,66,71,72,73,96,52 ,58,66,71

1. La mediana es
a. 75
b. 55
c. 58
d. 65

2. La media es
a. 64.5
b. 74.4
c. 64
d. 64.4

3. Rango intercuatilico
a. 16
b. 15
c.13
d. 14

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]