The follovwing data was reported on total Fe for four types of iron formation (1
ID: 2909246 • Letter: T
Question
The follovwing data was reported on total Fe for four types of iron formation (1 - carbonate, 2 - silicate, 3 - magnetite, 4- hematite). 1: 20.2 28.1 27.8 27.0 28.2 25.2 25.3 27.1 20.5 31.7 2: 26.4 24.0 26.2 20.2 24.0 34.0 17.1 26.8 23.7 24.6 3: 30.1 34.0 27.5 29.4 27.7 26.2 29.9 29.5 30.0 35.9 4: 37.2 44.2 34.1 30.3 31.9 33.1 34.1 32.9 36.3 25.8 out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. Ha: at least two u's are equal Hat all four us are equal Hal at least two ?'s are unequal Hai all four ?'s are unequal Summarize the results in an ANOVA table. (Round your answers two decimal places.) Sum of Squares Mean Squares df Source Treatments 3 50011007x 1085 x Error X" |1072.3 |× Give the test statistic. (Round your answer to two decimal places.) f-10.85x What can be said about the P-value for the test? O P-value > 0.100 O o.050
Explanation / Answer
using excel
data
data -> data analysis -> anove one way
F = 10.9907527 = 10.99
p-value = 2.87086E-05 < 0.001
ANOVA Source of Variation SS df MS F P-value treatments 524.345 3 174.7817 10.9907527 2.87086E-05 error 572.494 36 15.90261 Total 1096.839 39