11th grade Female Math: 93, 97, 93, 90, 93, 97, 93, 94, 90, 90, 90, 97, 93 11th

Question

11th grade Female Math:

93, 97, 93, 90, 93, 97, 93, 94, 90, 90, 90, 97, 93

11th grade Female Language:

95, 95, 93, 93, 96, 93, 94, 95, 95, 95, 96, 95, 94

11th grade Female Science:

89, 89, 88, 87, 88, 87, 88, 91, 89, 89, 88, 91, 88

QUESTION 3 "Teachers at Harmony Creek High School analyze test scores for 11th grade female 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. O Language scores are significantly higher than science scores. Science scores are significantly higher than math scores. Language scores are significantly higher than math scores

Explanation / Answer

We will do ANOVA here and get the result

That shows that means are significantly different to each other.

and Language scores are significantly higher than Science score. Option B is correct.

Anova: Single Factor SUMMARY Groups Count Sum Average Variance Math 13 1210 93.07692 7.076923 Llanguage 13 1229 94.53846 1.102564 Science 13 1152 88.61538 1.589744 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 247.5385 2 123.7692 38.00787 1.34E-09 3.259446 Within Groups 117.2308 36 3.25641 Total 364.7692 38

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