Resuelva cada uno de los ejercicios de pruebas NO paramétricas: Una agencia publicitaria está investigando a qué...

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Resuelva cada uno de los ejercicios de pruebas NOparamétricas:

Una agencia publicitaria está investigando a qué tipo de avisosle prestan más atención los

adolescentes. Se observan a 11 niños, a 6 se les muestra avisossobre comida y a los 5 restantes

se les muestra avisos sobre bebidas. Todos los avisos tienenduración similar. Se registra el

tiempo de atención (en segundos) de los 11 niños.

Los datos se resumen a continuación:

Tipo aviso/

Notice type

B

C

B

B

B

B

C

C

C

C

C

Datos Ordenados/

Ordered Data

23

25

28

30

35

38

41

42

45

47

50

  1. Aplique una prueba NO paramétrica paradeterminar si existen diferencias estadísticamente significativasentre ambos grupos. De haberlas, diga cual es el grupo de avisos alque los niños le prestan mayor atención. Muestre todo elprocedimiento. Calcule el estadístico, y arrojeconclusiones.

English

An advertising agency is investigating what kind of ads pay more attention toteenagers. 11 children are observed, 6 are shown notices about food and the remaining 5They are shown warnings about drinks. All notices have a similar duration. The registration is recorded attention time (in seconds) of the 11 children.The data is summarized above:Apply a non-parametric test to determine if there are statistically significant differences between both groups. If there are, tell which is the group of notices to which the children pay more attention. Show the whole procedure. Calculate the statistic, and draw conclusions.

Answer & Explanation Solved by verified expert
3.7 Ratings (303 Votes)
Mann Whitney U test is a appropriatenonparametric test used to determine if there are statisticallysignificant differences between two groupsGiven the dataset showing attentiontime in seconds of the two group of children Group 1Notices about food Group 2Warnings about drinks2523412842304535473850HYPOTHESISThe hypothesis for the Mann WhitneyU test    See Answer
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