If someone has a z-score of zero on a standardized test taken by all applicants to...
If someone has a z-score of zero on a standardized test taken by all applicants to veterinary school, which of the following must be true? (For this question, please mark all correct answers that apply)
1. The person scored zero on the test
2. The standard deviation of the test is zero
3. The person scored the mean on the test
4. The person scored at the 50th percentile
Homework Answers
3. The person scored the mean on the test
4. The person scored at the 50th percentile both are true
1. The person scored zero on the test
2. The standard deviation of the test is zero both are false
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If someone has a z-score of zero on a standardized test taken by
all applicants to...
To qualify for a scholarship, applicants must score in the top 4% on a standardized test....
To qualify for a scholarship, applicants must score in the top 4% on a standardized test. If the test scores are normal with a mean of 500 and a standard deviation of 30. What minimum exam score is needed to qualify?
Two standardized tests, test A and test B, use very different scales. Assume that in one...
Two standardized tests, test A and test B, use very different scales. Assume that in one year the distribution of scores on test A can be modeled by N(1300,250) and scores on test B can be modeled by N(15, 3). If an applicant to a university has taken test A and scored 1670 and another student has taken test B and scored 19, compare these students' scores using z-values. Which one has a higher relative score? Explain. The Z-value of...
The scores of all applicants taking an aptitude test required by a law school have a...
The scores of all applicants taking an aptitude test required by a law school have a normal distribution with a mean of 420 and a standard deviation of 100. A random sample of 25 scores is taken. e. The probability is 0.05 that the sample standard deviation of the scores is higher than what number? f. The probability is 0.05 that the sample standard deviation of the scores is lower than what number? g. If a sample of 50 test...
David scored 942 on a standardized achievement test. The mean test score was 850 with a...
David scored 942 on a standardized achievement test. The mean test score was 850 with a standard deviation of 100. Assuming that the distribution of test scores was normal,and using Table 8.1, what percent of students scored higher than David?
On a nationwide test taken by high school students, the mean score was 51 and the...
On a nationwide test taken by high school students, the mean score was 51 and the standard deviation was 11 The scores were normally distributed. Complete the following statements. (a) Approximately ?% of the students scored between 40 and 62 . (b) Approximately 95% of the students scored between ? and ?
When applying for a certain college, students can submit either an ACT score or SAT score....
When applying for a certain college, students can submit either an ACT score or SAT score. In the 2015-2016 school year, ACT scores had a mean score of 20 with a standard deviation of 5.1. In the same year, SAT scores had a mean score of 1060 with a standard deviation of 195. Suppose the following competing applicants apply to the same school and admissions needs to choose the stronger candidate. Mason scored 25 on the ACT Hunter scored 1200...
scores on an exam required for all medical school applicants were approximately normal with a mean...
scores on an exam required for all medical school applicants were approximately normal with a mean of 420 and a standard deviation of 8.2. a.) suppose an applicant had a test score of 520. what percentile corresponds with this score? b.) suppose to be considered at a highly selective school and applicant need to score the top 10%. what score would place the applicant on top of 10%
According to the data, the mean quantitative score on a standardized test for female college-bound high...
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A particular standardized test has a mean score of 455 with a standard deviation of 112....
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A standardized test for graduate school admission has a mean score of 151 with a standard...
A standardized test for graduate school admission has a mean score of 151 with a standard deviation of 10 and a unimodal, symmetric distribution of scores A test preparation organization teaches small classes of 9 students at a time. A larger organization teaches classes of 64 at a time. Both organizations publis the mean scores of all their classes. Complete parts a through c below. a) What would you expect the sampling distribution of mean class scores to be for...
Two standardized tests, test A and test B, use very different scales. Assume that in one year the distribution of scores on test A can be modeled by N(1300,250) and scores on test B can be modeled by N(15, 3). If an applicant to a university has taken test A and scored 1670 and another student has taken test B and scored 19, compare these students' scores using z-values. Which one has a higher relative score? Explain. The Z-value of...
A standardized test for graduate school admission has a mean score of 151 with a standard deviation of 10 and a unimodal, symmetric distribution of scores A test preparation organization teaches small classes of 9 students at a time. A larger organization teaches classes of 64 at a time. Both organizations publis the mean scores of all their classes. Complete parts a through c below. a) What would you expect the sampling distribution of mean class scores to be for...
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