Chapter Four (Show all your work)
1) The students of Hugh Logan's math class took the ScholasticAptitudeTest. Their math scores are shown below. Find the mean score.
552 593 358 352 537
349 357 596 470 482

A study has been conducted to examine the effectiveness of new experimental program for preparing high school students for the ScholasticAptitudeTest. Eighty students have been randomly divided into two groups of 40. The eventual SAT scores for those exposed to the new program and the conventional program are listed in data fi

Scores by women on the SAT-I test are normally distributed with a mean of 998 and a standard deviation of 202. Scores by women on the ACT test are normally distributed with a mean of 20.9 and a standard deviation of 4.6. Assume that the two tests use different scales to measure the same aptitude.
a. If a women gets a SAT sc

I) State the null and alternate hypothesis.
II) Determine the rejection region. For example "if {see attachment}, then reject {see attachment}".
III) Determine the Test Statistic.
IV) Conclude either "Reject " or "Do not reject " based on your analysis and answer the question (either YES or NO) .
V) Determine the p value of

Achievement and aptitude assessments serve distinct, but potentially complimentary purposes. Both are often administered in a group setting. Can you Summarize how these assessments are distinct, and analyze the implications of group administration for these assessments. Include the perspective of administering these assessments

For a given population of high school seniors, the schoolastic aptitudetest(SAT) in mathemathics has a mean score of 500 with the standard deviation of 100. Another widely used test is the American college testing (ACT)exam. The mathemathics portion of the ACT mean of 18 and a standard deviation of 6.
(a) Suppose that an en

For the past 12 months, your real estate company has been requiring applicants for employment as sales agents to take an aptitudetest, which it is hoped will predict the person's ability to sell. The results of the aptitudetest have not been made available to the people who make the hiring decisions.
The applicants who have

List the major categories of tests, giving one example for each category. When giving your example, list the users of the test and a use for the test. Choose one example by giving some personal knowledge or experiences. Your response should be concise, yet detailed enough.
Response should be between 200-300 words.
This i