Question

A population is 50 and the sample is 10. If each score is multiplied by 2,...

A population is 50 and the sample is 10. If each score is multiplied by 2, what will the new standard deviation be?

Sample = standard devation

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
For the following sample of n =8 scores: 0, 1, 1/2, 0, 3, 1/2 , 0,...
For the following sample of n =8 scores: 0, 1, 1/2, 0, 3, 1/2 , 0, 1 a. Simplify the arithmetic by first multiplying each score by 2 to obtain a new sample. Then, compute the mean and standard deviation for the new sample. b. Starting with the values you obtained in part a, make the correction for having multiplied by 2 to obtain the values for the mean and standard deviation for the original sample
What is the new deviation score (distance from the sample mean or estimated population mean) for...
What is the new deviation score (distance from the sample mean or estimated population mean) for the specification upper limit and lower limit, respectively? Then divide the deviation scores in Q2 by the estimated population standard deviation to standardize these scores (gives a Z score). 54 58 57 56 56 55 54 55 57 56 57 55 56 56 55 56 57 54 57 55
A person must score in the upper 2% of the population on an IQ test to...
A person must score in the upper 2% of the population on an IQ test to qualify for membership in Mensa, the international high-IQ society. If IQ scores are normally distributed with a mean of 100 and a standard deviation of 10, what score must a person have to qualify for Mensa?
A population has a mean of 50 and a standard deviation of 10. If a random...
A population has a mean of 50 and a standard deviation of 10. If a random sample of 36 is taken, what is the probability that the sample mean is each of the following? a. Greater than 53 b. Less than 52 c. Less than 48 d. Between 46.5 and 53.5 e. Between 50.5 and 51.6
To calculate z score , you have to know the raw score , population mean ,...
To calculate z score , you have to know the raw score , population mean , and standard deviation. Of the following what matches with the three ; Sample proportion , Sample size , wnd Popularion proportion .
Question #8: The score of the LSAT examination have a population mean µ = 70 and...
Question #8: The score of the LSAT examination have a population mean µ = 70 and population standard deviation σ = 10. Answer the questions below and show work. 1.) A random sample of 64 individuals is taken. What is the probability that the sample mean is below 71? 2.) A random sample of 100 individuals is taken. What is the probability that the sample mean is below 71?
The overall average score on a test of Emotional Intelligence is 50 for the general population.  A...
The overall average score on a test of Emotional Intelligence is 50 for the general population.  A member of the admissions committee for the Ph.D. program in clinical psychology at OU wants to know whether applicants to the program are higher in Emotional Intelligence than the general population.  Twenty-five applicants were randomly selected from the applicant pool and were given the Emotional Intelligence test.  The applicants’ mean score was 60 with a standard deviation of 10.  Use an alpha level equal to 0.01 to...
A population has a mean of 200 and a standard deviation of 50. Suppose a simple...
A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size ̅ 100 is selected and ? is used to estimate ?. 1. What is the probability that the sample mean will be within ±5 of the population mean? 2. What is the probability that the sample mean will be within ±10 of the population mean?
Consider the following hypothesis test: H 0: 50 H a: > 50 A sample of 50...
Consider the following hypothesis test: H 0: 50 H a: > 50 A sample of 50 is used and the population standard deviation is 9. Use the critical value approach to state your conclusion for each of the following sample results. Use = .05. a. With = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? b. With = 51, what is the value of...
A population has a mean of 200 and a standard deviation of 50. Suppose a sample...
A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and is used to estimate . Use z-table. What is the probability that the sample mean will be within +/- 4 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.) What is the probability that the sample mean will be within +/- 11 of the population mean (to 4 decimals)? (Round...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT