Question

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15....

IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Give the z-score of each of the following IQ's and categorize each of as high significant, low significant or not significant.

a) 62

b)101

c) 135

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

Homework Answers

Answer #1

Mean = = 100

standard deviation = = 15

a) 62

low significant

b)101

not significant

c) 135

high significant

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
IQ scores are normally distributed with a mean of 100 and standard deviation 15. what is...
IQ scores are normally distributed with a mean of 100 and standard deviation 15. what is the IQ score for an area of 0.9918
IQ test scores are normally distributed with a mean of 100 and a standard deviation of...
IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. a) Find the IQ scores that represent the bottom 35% . b) Find the IQ score that represents the 3rd Quartile c) Find the IQ score for the top 5%
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15....
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Determine the 90th percentile for IQ scores
IQ scores are normally distributed with mean of 100 and a standard deviation of 15. If...
IQ scores are normally distributed with mean of 100 and a standard deviation of 15. If MENSA only accepts people with an IQ score at the 99th percentile or higher, what is the lowest possible IQ score you can have and still be admitted to the organization? Mental disability has traditionally been diagnosed for anyone with an IQ of 70 or lower. By this standard, what proportion of the population would meet criteria to be diagnosed with a mental disability?...
IQ scores are normally distributed with a mean of 100 and a standard deviation of 16....
IQ scores are normally distributed with a mean of 100 and a standard deviation of 16. Assume that many samples of size n are taken from a large population of people and the mean IQ score is computed for each sample. a. If the sample size is n=49, find the mean and standard deviation of the distribution of sample means. The mean of the distribution of sample mean is?
IQ scores are normally distributed with a mean of 105 and a standard deviation of 15....
IQ scores are normally distributed with a mean of 105 and a standard deviation of 15. Assume that many samples of size n are taken from a large population of people and the mean IQ score is computed for each sample a. If the sample size is n equals= 64, find the mean and standard deviation of the distribution of sample means. The mean of the distribution of sample means is: 105 The standard deviation of the distribution of sample...
IQ scores are Normally distributed with mean 100 and standard deviation 15. Please show working 1-...
IQ scores are Normally distributed with mean 100 and standard deviation 15. Please show working 1- Find the probability that an IQ result is between 75 and 95. 2- Find the probability of having an IQ greater than 120. 3- how high would you IQ have to be to be in the top 2% of all IQ results.
adults have IQ scores that are normally distributed with a mean of 100 and a standard...
adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15 a. what IQ score respresents the 95th percentile? b. what IQ score represents the 50th percentile? show how you got the answer step by step, clearly just trying to check my work thanks !
7. IQ scores are normally distributed with a mean of 100 and a standard deviation of...
7. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15 points. a. Find the probability that a randomly selected person has an IQ less than 115. b. Find the probability that a randomly selected person has an IQ above 60. c. Find the 80th percentile for IQ scores. d. Find the probability that 20 randomly selected person has an IQ less than 110. e. What percentage of people have IQ scores between 60...
IQ scores are known to be normally distributed with a mean of 100 and a standard...
IQ scores are known to be normally distributed with a mean of 100 and a standard deviation of 16. a. Determine the percentage of students who score between 85 and 120. b. Determine the percentage of students who score 80 or greater. c. Obtain the quartiles, Q1, Q2, and Q3 for the IQ scores, and show this on a sketch of a normal curve. Include both a z-axis and an x-axis below the curve. d. If Mensa only accepts the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT