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Posted: April 20th, 2022
Need statistics help with Part 1 of Homework
Question Assignment description
#6 Search the Web or your library to discover a examine that’s attention-grabbing to you and that used one-way ANOVA to research the information. First describe the Question Assignment or questions of curiosity after which give the main points of how ANOVA was used to supply solutions. Remember to embrace how the examine authors examined the assumptions for the Assessment. Consider how effectively the authors used ANOVA on this examine. In case your analysis finds the Assessment poor, make options for the way it might be improved.#7The One-Means ANOVAapplet permits you to see how the F statistic and the P-value rely upon the variability of the information inside teams and the variations among the many means. (a) The black dots are on the means of the three teams. Transfer these up and down till you get a configuration that provides a P-value of about zero.01. What’s the worth of the F statistic?(b) Now improve the variation throughout the teams by dragging the mark on the pooled customary error scale to the suitable. Describe what occurs to the F statistic and the P-value. Clarify why this occurs. # 13 Iron-deficiency anemia is the commonest kind of malnutrition in growing international locations, affecting about 50% of kids and ladies and 25% of males. Iron pots for cooking meals had historically been utilized in many of these international locations, however they’ve been largely changed by aluminum pots, that are cheaper and lighter. Some analysis has prompt that meals cooked in iron pots will comprise extra iron than meals cooked in different varieties of pots. One examine designed to research this problem in contrast the iron content material of some Ethiopian meals cooked in aluminum, clay, and iron pots. One of the meals was yesiga moist, beef reduce into small items and ready with a number of Ethiopian spices. The iron content material of 4 samples of yesiga moist cooked in every of the three varieties of pots is given beneath. The models are milligrams of iron per 100 grams of cooked meals. The info beneath MUST be separated into three columns of information: one for Aluminum, one for Clay, and one for Iron. Put these labels within the first row and the four observations of every beneath them (from the ‘iron’ content material column). information369.dat(a) Make a desk giving the pattern dimension, imply, and customary deviation for every kind of pot. Is it cheap to pool the variances? Observe that with the small pattern sizes on this experiment, we count on a big quantity of variability within the pattern customary deviations.Kind of pot n s Aluminum Clay Iron (b) Run the Assessment of variance. Report the F statistic with its levels of freedom and P-value. What do you conclude?F = P = obs typepot g iron
1 Aluminum 1 1.74
2 Aluminum 1 2.19
three Aluminum 1 1.98
four Aluminum 1 1.77
5 Clay 2 2.46
6 Clay 2 2.62
7 Clay 2 2.36
eight Clay 2 2.15
9 Iron three four.61
10 Iron three four.81
11 Iron three four.53
12 Iron three four.76
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