Question
1.The national average for the verbal portion of the College Boards Scholastic Aptitude Test (SAT) is 507. The College Board periodically rescales the test scores
1.The national average for the verbal portion of the College Boards Scholastic Aptitude Test (SAT) is 507. 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 verbal test scores. What percentage of students scored between 407 and 507?
2.The national average for the verbal portion of the College Boards Scholastic Aptitude Test (SAT) is 507. 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 verbal test scores. What percentage of students scored between 307 and 607?
3.The data is tab Dow shows the frequency distribution of price per share for the 30 companies in the Dow Jones Industrial Average. Compute the grouped standard deviation for price per share.
Price Per Share | Frequency |
$20 - 29 | 7 |
$30 - 39 | 6 |
$40 - 49 | 6 |
$50 - 59 | 3 |
$60 - 69 | 4 |
$70 - 79 | 3 |
$80 - 89 | 1 |
4.Morningstar tracks the total return for a large universe of mutual funds. The data can be found in the Mutual Funds tab. Use the number of funds as weights and compute the weighted average total return.
Typer of Fund | Total Return % | Number of Funds |
Domestic Equity | 4.65 | 9,191 |
International Equity | 18.15 | 2,621 |
Specialty Stock | 11.36 | 1,419 |
Hybrid | 6.75 | 2,900 |
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started