Independent Random Samples of the Scores of 10 Daily Quizzes $\mu$

question 31

Essay

Independent random samples of the scores of 10 daily quizzes from day students and 15 quizzes from evening students were gathered. It was decided to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference between the scores of the two groups of students.
a.Provide the hypotheses for this test.
b.Compute the mean $\mu$ _T.
c.Compute the standard deviation $\sigma$ _T.
d.The sum of the ranks for the day students was determined to be 184.5. Compute the test statistic Z.
e.Use $\alpha$ = 0.05 and test to determine if there is a significant difference in the populations of the scores of the two groups.

Explain the role of cognitive processes in language acquisition.

Identify how cultural and social contexts influence language development.

Understand the role of biological factors in language acquisition.

Describe the process and significance of inner speech according to Vygotsky.

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Definitions:

Stomatal Opening

The process by which the stomata, tiny openings on plant leaves and stems, adjust their aperture to regulate gas exchange and water loss.

Modified Leaf

A leaf that has evolved to perform functions other than photosynthesis, such as protection, climbing, storage, or reproduction.

Spines

Rigid, sharp structures on plants or animals, often serving as defense against herbivores or predators.

Tendrils

Slender, spirally coiling structures that enable climbing plants to attach and support themselves on objects.