Question

The national average for the math portion of the College Board’s SAT is 513 with a...

The national average for the math portion of the College Board’s SAT is 513 with a standard deviation of 92. The median is 480. The SAT math score data has a _____ distribution because the mean is _______the median. Therefore, the ______ rule predicts that ____of this data should lie between 237 and 789 because these points are +/-______ standard deviation(s) away from the mean.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The national average for the math portion of the College Board’s SAT is 513 with a...
The national average for the math portion of the College Board’s SAT is 513 with a standard deviation of 84. The median is 513. The SAT math score data has a _____ distribution because the mean is _______the median. Therefore, the ______ rule predicts that ____of this data should lie between 429 and 597 because these points are +/-______ standard deviation(s) away from the mean.
The national average for the math portion of the College Board’s SAT is 521 with a...
The national average for the math portion of the College Board’s SAT is 521 with a standard deviation of 92. The median is 554. 1. What is the shape of the SAT math score distribution? Why? 2. _____________Rule predicts that __________percent of the SAT math score should lie between a 337 and 705, which are +/-___________ standard deviation(s) away from the mean.
Suppose that the national average for the math portion of the College Board's SAT is 512....
Suppose that the national average for the math portion of the College Board's SAT is 512. The College Board periodically rescales the test scores such that the standard deviation is approximately 100. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores. If required, round your answers to two decimal places. If your answer is negative use “minus sign”. (a) What percentage of students have an SAT math score greater than 612? %...
Suppose that the national average for the math portion of the College Board's SAT is 514....
Suppose that the national average for the math portion of the College Board's SAT is 514. The College Board periodically rescales the test scores such that the standard deviation is approximately 75. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores. If required, round your answers to two decimal places. (a) What percentage of students have an SAT math score greater than 589? % (b) What percentage of students have an SAT...
Suppose that the national average for the math portion of the College Board's SAT is 547....
Suppose that the national average for the math portion of the College Board's SAT is 547. The College Board periodically rescales the test scores such that the standard deviation is approximately 75. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores. If required, round your answers to two decimal places. (a) What percentage of students have an SAT math score greater than 622? % (b) What percentage of students have an SAT...
Suppose that the national average for the math portion of the College Board's SAT is 515....
Suppose that the national average for the math portion of the College Board's SAT is 515. The College Board periodically rescales the test scores such that the standard deviation is approximately 100. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores. If required, round your answers to two decimal places. If your answer is negative use “minus sign”. (a) What percentage of students have an SAT math score greater than 615? (b)...
For all U.S. students nationally who take the SAT, the average SAT Math score is 500,...
For all U.S. students nationally who take the SAT, the average SAT Math score is 500, with a population standard deviation of 125. A random sample of 10 students entering Whitmer College had an average SAT Math (SAT-M) score of 530. The sample data can be used to test the claim that the mean SAT-M score of all Whitmer College students is different than the national mean SAT-M score. Based on the given information, have the conditions for this hypothesis...
Math SAT: Suppose the national mean SAT score in mathematics was 515. In a random sample...
Math SAT: Suppose the national mean SAT score in mathematics was 515. In a random sample of 40 graduates from Stevens High, the mean SAT score in math was 508, with a standard deviation of 35. Test the claim that the mean SAT score for Stevens High graduates is the same as the national average. Test this claim at the 0.10 significance level. (a) What type of test is this? This is a left-tailed test.This is a two-tailed test.     This is...
Eleanor scores 680 on the math portion of the SAT. The distribution of math SAT scores...
Eleanor scores 680 on the math portion of the SAT. The distribution of math SAT scores is approximately Normal, with mean 500 and standard deviation 100. Jacob takes the ACT math test and scores 27. ACT math test scores are Normally distributed with mean 18 and standard deviation 6. a. Find the standardized scores (z-scores) for both students. b. Assuming that both tests measure the same kind of ability, who has the higher score? c. What score must a student...
Math SAT: Suppose the national mean SAT score in mathematics was 505. In a random sample...
Math SAT: Suppose the national mean SAT score in mathematics was 505. In a random sample of 40 graduates from Stevens High, the mean SAT score in math was 495, with a standard deviation of 30. Test the claim that the mean SAT score for Stevens High graduates is the same as the national average. Test this claim at the 0.01 significance level. (a) What type of test is this? This is a left-tailed test. This is a right-tailed test.    ...