Question
1. A measure of extraversion can have scores ranging from 0-50. In the population of typical teenagers, the mean is 25 with a standard deviation
1. A measure of extraversion can have scores ranging from 0-50. In the population of typical teenagers, the mean is 25 with a standard deviation of 5. Based on this information, convert each of the following raw scores (X) to z-scores.
a) X=32
b) X=17
c) X=10
d) X=49
e) X=25
2. A measure of extraversion can have scores ranging from 0-50. In the population of typical teenagers, the mean is 25 with a standard deviation of 5. Based on this information, convert each of the following z-scores to raw scores (X).
a) z=1.40
b) z=-2.20
c) z=3.20
d) z=-0.80
e) z=0.00
3. UCLA require applicants to take the SAT, which has a mean of 150 and a standard deviation of 10 in the population. Other schools require applicants to take the PSAT which has a mean of 25 and a standard deviation of 5 in the population. Thalia took both exams, receiving a 172 on the SAT, and a 37 on the PSAT. On which exam did Thalia do relatively better?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-text-image.webp)
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Step: 3
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started