Question

If the data had been gathered from a sample of honors students would have been taken,...

If the data had been gathered from a sample of honors students would have been taken, how might the computed correlation between GPA and IQ from this sample compare to the correlation between GPA and IQ from the general population?

  

The correlation from the sample of honors students would be larger than the correlation from the general public due to the restriction of range from the sample.

   

The correlation from the sample of honors students would be larger than the correlation from the general public due to regression to the mean.

   

The correlation from the sample of honors students would be smaller than the correlation from the general public due to the restriction of range from the sample.

   

The correlation from the sample of honors students would be smaller than the correlation from the general public due to regression to the mean.

Homework Answers

Answer #1

The answer is:

The correlation from the sample of honors students would be larger than the correlation from the general public due to the restriction of range from the sample.

Since we have a very restrictive sample size which contains brilliant minds pursuing honors, the correlation between their IQ and GPA would be higher than the general population in which things will even out more.

Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!

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
A random sample of 15 night students was taken with a sample mean GPA of 3.32...
A random sample of 15 night students was taken with a sample mean GPA of 3.32 and a standard deviation of 0.04. A random sample of 18 day students was taken with a sample mean GPA of 3.3 and a standard deviation of 0.02. Test the claim that the mean GPA of night students (μN) is different than the mean GPA of day students (μD) at α= 0.01. Assume that the data come from normal populations with unequal variances. Round...
A random sample has been taken from a population. A statistician, using this sample, needs to...
A random sample has been taken from a population. A statistician, using this sample, needs to decide whether to construct a 92% confidence interval for the population mean or a 98% confidence interval for the population mean. How will these intervals differ? The wider interval is dependent on a larger sample size. The wider interval is dependent on whether the sample is unbiased. The wider interval is dependent on whether a z statistic or a t statistic is used. The...
From the data on 10 students it was found that the sample linear correlation coefficient (r)...
From the data on 10 students it was found that the sample linear correlation coefficient (r) between their Math scores and English scores was 0.75. a) Overall if the Math Score increases, does the English score increase or decrease? b)(b) At a=0.10, what is the critical value of the correlation coefficient (r a/2 (c) From the result of part (b), do you conclude that there is a significant linear correlation between Math and English scores in general? (Answer YES or...
The National Assessment of Educational Progress (NAEP) includes a mathematical test for eighth-grade students. Scores on...
The National Assessment of Educational Progress (NAEP) includes a mathematical test for eighth-grade students. Scores on the test range from 0 to 500. Suppose that you give the NAEP test to a simple random sample of 900 eighth-graders from a large population in which the scores have mean m = 285 and standard deviation s = 125. The mean will vary if you take repeated samples. 2. (2 points) The sampling distribution of   is approximately Normal. It has mean m =...
An examination in biology has been taken by biology majors and also by some students from...
An examination in biology has been taken by biology majors and also by some students from other majors. It is widely believed that the scores for both groups are normally distributed. A random sample of 24 examinations completed by biology majors and an independent random sample of 23 examinations completed by students from other majors are selected. Among sampled students, the biology majors scored a mean of 532.8 points with a variance of 9101.16, and the students from other majors...
(Question 7) 2 pts In a sample of 41 temperature readings taken from the freezer of...
(Question 7) 2 pts In a sample of 41 temperature readings taken from the freezer of a restaurant, the mean is 29.7 degrees and the standard deviation is 2.7 degrees. What would be the 80% confidence interval for the temperatures in the freezer? (29.16, 30.24) (24.30, 35.10) (27.00, 32.4) (31.36, 32.44) Flag this Question (Question 8) 2 pts What is the 99% confidence interval for a sample of 36 seat belts that have a mean length of 85.6 inches long...
2.  An educational psychologist gathers data from a sample of college students.  He finds the correlation between grade...
2.  An educational psychologist gathers data from a sample of college students.  He finds the correlation between grade point average and class attendance to be 0.60, and he finds the correlation between grade point average and amount of time spent playing video games to be -0.60.    What can the educational psychologist conclude about these correlations? The correlation of r = 0.60 is stronger than the correlation of r = -0.60. The correlation of r = 0.60 is just as strong as the correlation...
he sample data below have been collected based on a simple random sample from a normally...
he sample data below have been collected based on a simple random sample from a normally distributed population. Complete parts a and b. 7 5 0 7 6 5 9 8 9 3 a. Compute a 90​% confidence interval estimate for the population mean. The 90​% confidence interval for the population mean is from ______ to _________ (Round to two decimal places as needed. Use ascending​ order.) b. Show what the impact would be if the confidence level is increased...
The sample data below have been collected based on a simple random sample from a normally...
The sample data below have been collected based on a simple random sample from a normally distributed population. Complete parts a and b. 3 7 0 0 0 1 9 3 9 1 a. Compute a 98% confidence interval estimate for the population mean. The 98% confidence interval for the population mean is from_________ to ___________. (Round to two decimal places as needed. Use ascending order.) b. Show what the impact would be if the confidence level is increased to...
A drug company is studying the effect of a new drug. In its clinical trials, the...
A drug company is studying the effect of a new drug. In its clinical trials, the researcher used a significance level of .01. By using this significance level instead of the more usual .05, the researcher has A) Expanded the critical region B) Increased the critical value C) Increased the probability of rejecting the Ho 2) When a researcher failed to reject the null hypothesis A) The obtained statistical value is larger than the critical value B) The obtained statistical...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT