Question

The data in the accompanying table represent the number of corn plants in randomly sampled rows (a 17-foot by 5-inch strip) for various types of plots. An agricultural researcher wants to know whether the mean numbers of plants for each plot type are equal. Complete parts (a) through (e) below. B! Click the icon to view the data table. Click the icon to view the table of critical values for the correlation coefficient. гv" эпичує "орту OC. Ho: sludge = Pspring = Hno till and Hy: Msludge spring Hno till CD. Ho sludge = hspring = "no till and H: at least one of the means is different (b) State the requirements that must be satisfied to use the one-way ANOVA procedure. Select all that apply. A. The k samples must be independent of each other. B. There must be k simple random samples, each from the same population. C. The populations must have the same variance. D. The populations must have the same mean. E. There must be k simple random samples, one from each of k populations. F. The populations must be normally distributed. Click to select your answer(s) and then click Check Answer
p value?

Answer 1

A. The k samples must be independent of each other. C. The populations must have the same variance. F. The populations must be normally distributed. EXCEL (Data Analysis) output:

Anova: Single Factor SUMMARY Groups Sludge Plot Spring Disk No Till Count 6 Sum Average Variance 175 29.16667 9.366667 196 32.66667 3.066667 171 28.5 7.5 6 d f ANOVA Source of Variation Between Groups Within Groups Total Fcrit 3.68232 SS 60.11111 99.66667 159.7778 MS F P-value 2 30.05556 4.523411 0.029024 15 6.644444 17 p-value = 0.0290