A) Ho: c = h = l = m = soy = sun Ha: At least one pair of means is the same B) H
ID: 3224048 • Letter: A
Question
A) Ho: c = h = l = m = soy = sun
Ha: At least one pair of means is the same
B) Ho: c = h = l = m = soy = sun
Ha: At least one of the means is different
C) Ho: c = h = l = m = soy = sun
Ha: c h l m soy sun
The test statistic for the hypothesis test is: (please round to two decimal places)
The p-value for the hypothesis test is: (please round to four decimal places)
Interpret the result of the hypothesis test in the context of the study:
A) Since p < , we reject the null hypothesis and accept that the average weight of chicks is not the same across all of the diets
B) Since p = 0, there is no chance that the average weight of chicks is the same across all of the diets
C) Since p < , we reject the null hypothesis and accept that the average weight of chicks is different for each type of diet
D) Since p < , we reject the null hypothesis and accept that the average weight of chicks is the same across all of the diets
5.43 Chicken diet and weight, Part III: In Exercises 5.31 and 5.33 we compared the effects of two types of feed at a time. A better analysis would first consider all feed types at once: casein, horsebean, linseed, meat meal, soybean, and sunflower. The ANOVA output below can be used to test for differences between the average weights of chicks on different diets. DFL Sum Sg Mean Sq F value PreF0 feed 5 231129.16 46225.83 15.36 0.00000 residuals 65 195556.02 3008.55 Conduct a hypothesis test to determine if these data provide convincing evidence that the average weight of chicks varies across some (or all) groups. Make sure to check relevant conditions. Figures and summary statistics are shown below. 400 350 300 250 200 150 100 casein horsebean nseed meatmeal soybean sunflower Mean casein 323.58 64.43 12 horse bean 160.2 38.63 10 linseed 218.75 52.24 12 meat meal 276.91 64.9 11 soybean 246.43 54.13 14 sunflower 328.92 48.84 12Explanation / Answer
Answer : Ho: c = h = l = m = soy = sun VS Ha: At least one of the means is different
Interpret the result of the hypothesis test in the context of the study:
Answer) Since p < , we reject the null hypothesis and accept that the average weight of chicks is not the same across all of the diets
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