{"no":"no.1","n":5,"mean":41.2,"var":35.14}
{"no":"no.2","n":2,"mean":64.5,"var":30.25}
{"no":"no.3","n":7,"mean":56.3,"var":18.99}
{"no":"no.4","n":5,"mean":39.6,"var":101.06}
{"no":"no.5","n":7,"mean":67.1,"var":38.64}
{"no":"no.6","n":9,"mean":53.2,"var":27.72}