10th grade Math: 94, 93, 93, 97, 93, 94, 96, 93, 92, 96, 93, 93, 93, 97, 93, 90,

Question

10th grade Math:

94, 93, 93, 97, 93, 94, 96, 93, 92, 96, 93, 93, 93, 97, 93, 90, 88, 90, 93, 96, 94, 93, 90, 94, 93, 90, 90

10th grade Language:

95, 92, 97, 93, 98, 93, 96, 91, 93, 92, 93, 97, 93, 95, 97, 97, 94, 92, 92, 98, 92, 93, 94, 95, 96, 96, 96

10th grade Science:

89, 86, 87, 86, 86, 86, 92, 86, 86, 92, 87, 87, 87, 100, 87, 87, 86, 88, 96, 86, 86, 87, 86, 89, 86, 86, 94

QUESTION1 Teachers at Harmony Creek High School analyze test scores for 10th grade students to determine if there are any significant differences between their average scores in math, language, and science. Based on the data what should you conclude? (Use two-tailed tests when needed.)" There is no significant difference between the groups. Language scores are significantly higher than math scores. Science scores are significantly higher than language scores. Math scores are significantly higher than science scores.

Explanation / Answer

Here the ANOVA analys of the given three group and its results are

Here We can say that the results are significant and That shows that the mean scocres for three different subjects are different from each other.

Here we can say that Langauage scores and Math scores are significantly higher than the math scores. So, option D is correct.

Anova: Single Factor SUMMARY Groups Count Sum Average Variance Math 27 2512 93.03704 5.190883 Llanguage 27 2550 94.44444 4.487179 Science 27 2381 88.18519 12.77208 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 582.2963 2 291.1481 38.90596 1.91E-12 3.113792 Within Groups 583.7037 78 7.483381 Total 1166 80

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