You want to design a study to estimate the proportion of students at your school who agree with the statement, “the student government is an effective organization for expressing the needs of students to the administration.” You will use 95% confidence level and you would like to be within 5% of the true proportion of students who would agree with the statement. What is the minimum sample size? Do your best to show me an equation that you used to determine your answer.

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A: Option A is correct

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Q: calculate the effect size and round two decimal places

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A:

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A: Given, n=119, x=31, α=0.05 Then, p^=31119=0.260504

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A:

Q: A class of 5 students averaged 70% on a given test. A class of 9 students averaged 80% on the same…

A: Introduction: Suppose there are k groups numbered 1, 2, 3, …, k – 1, and k.

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A:

Q: What is SSw?

A: Answer : By using ANOVA single factor for three groups,

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A:

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A:

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Q: What is dfg?

A: Solution

Q: If a histogram is skewed to the right, explain how this affects the decision making process?

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A: Given data: 95 98 90 88 94 85 98 90 88 84

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.