Zinc difecient Mother and birth weight problem

  • Thread starter Thread starter famtrecrew
  • Start date Start date
  • Tags Tags
    Weight Zinc
famtrecrew
Messages
5
Reaction score
0
Using a study of zinc deficient mothers a double blind test was conducted using a placebo group and a test group. Using a .05 significance level to test a claim that zinc supplimentation does increase weight at birth. The weights are measured in grams. How can I test to see if the zinc suplimentation effected the outcome of birth weight using the following groups of statistics:

Zinc Supplement Group: n=294 xbar=3214 s=669

Placebo Group: n=286 xbar=3088 s=728
 
Physics news on Phys.org

Thread 'Here's a Statistics problem for game of Polo (or Hockey if you like)'

Namaste & G'day Postulate: A strongly-knit team wins on average over a less knit one Fundamentals: - Two teams face off with 4 players each - A polo team consists of players that each have assigned to them a measure of their ability (called a "Handicap" - 10 is highest, -2 lowest) I attempted to measure close-knitness of a team in terms of standard deviation (SD) of handicaps of the players. Failure: It turns out that, more often than, a team with a higher SD wins. In my language, that...
View full post »

Thread 'Roulette wheel physics and probability'

Hi all, I've been a roulette player for more than 10 years (although I took time off here and there) and it's only now that I'm trying to understand the physics of the game. Basically my strategy in roulette is to divide the wheel roughly into two halves (let's call them A and B). My theory is that in roulette there will invariably be variance. In other words, if A comes up 5 times in a row, B will be due to come up soon. However I have been proven wrong many times, and I have seen some...
View full post »

Similar threads

Statistics 101 problem. Using confidence values and z scores?
Replies
1
Views
5K
Does Vitamin Supplement Impact Birth Weight?
Replies
1
Views
5K

Hot Threads

Recent Insights

Back
Top