[h=2]The height from the general population of adult American males form a normal distribution with a m = 70 and s = 4 (inches). Studies have shown that malnutritionin childhood has an impact on adult height. Using data from a cohort study, a researcher obtained a sample of n = 100men who experienced malnutrition in childhood. The average height for this sample was x̅[FONT="] [/FONT]= 68. Does this data indicate that malnutrition in childhood has a significant effect on adultheight? Test with alpha=.05.
I expressed the null hypothesis as : Malnutrition does not have a significant effect on adult height and
alternative hypothesis: Malnutrition does have a significant effect on adult height
I wrote the null as: m = 70
[/h][h=2]and the alternative as m= 68
any advice? Before I calculate the z statistic? Thank you.[/h]
I expressed the null hypothesis as : Malnutrition does not have a significant effect on adult height and
alternative hypothesis: Malnutrition does have a significant effect on adult height
I wrote the null as: m = 70
[/h][h=2]and the alternative as m= 68
any advice? Before I calculate the z statistic? Thank you.[/h]