A study examined if the length of odontoblasts cells (cells responsible for tooth growth) are affected by the dose of vitamin C or the method of administering it or both. A random sample of 60 guinea pigs was given one of three doses of vitamin C in micrograms (500 μg, 1000 μg, 2000 μg) through one of two methods (orange juice - OJ, ascorbic acid - VC). The day after administering the vitamin C, the length of odontoblasts cells was measured for each guinea pig.
How many IVs and how many samples?
Do I use One way ANOVA or 2 Factor ANOVA?
Here two Independent variables are used in the analysis.
First independent variable is doses of vitamin C at 3 levels.(500 μg, 1000 μg, 2000 μg)
Second independent variable is method of administering. It is at 2 levels. ((orange juice - OJ, ascorbic acid - VC)
60 Samples are used .
Dependent variable is the length of odontoblasts cells.
Two way Anova will be used to analyze this data.
A study examined if the length of odontoblasts cells (cells responsible for tooth growth) are affected...
The length of odontoblasts (cells responsible for tooth growth) is recorded for 10 guinea pigs treated with orange juice and 10 guinea pigs treated with ascorbic acid. The results are shown below: Orange Juice : 15.2, 21.5, 17.6, 9.7, 14.5, 10.0, 8.2, 9.4, 16.5, 9.7 ( n o = 10 , x ¯ o = 13.23 , s o = 4.46 ) Ascorbic Acid : 4.2, 11.5, 7.3, 5.8, 6.4, 10.0, 11.2, 11.2, 5.2, 7.0 a. Assume the samples are...
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