Question 1
The histogram shows suicide rates per 100,000 residents of Country X and the number of states that had these rates. Use this histogram to solve the problem.
(i) Find the median suicide rate per 100,000 residents for Country X by state.
(iii) Find the third quartile by determining the median of the upper half of the data.
◦ (i) median = 18;
(ii) third quartile = 22.5
◦ (i) median = 19;
(ii) third quartile = 22
◦ (i) median = 19.5;
(ii) third quartile = 20.5
◦ (i) median = 18;
(ii) third quartile = 21
Question 2
A survey was conducted of 371 teenagers. Thirty-five percent of the teenagers said they occasionally smoked cigarettes. a. Find the margin of error for this survey. b. Write a statement about the percentage of teenagers who occasionally smoke cigarettes.
◦ a. ± 5.2% b. There is a 95% probability that the true population percentage lies between 29.8% and 40.2%.
◦ a. ± 5.2% b. There is a 95% probability that the true population percentage lies between 24.8% and 35.2%.
◦ a. ± 5.2% b. There is a 99% probability that the true population percentage lies between 29.8% and 40.2%.
◦ a. ± 19.261% b. There is a 95% probability that the true population percentage lies between 29.8% and 40.2%.
Typical DSO survey in Celestia
Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji.
How to solve simple percent word problems (Part 1)
Approximately 40 percent of farmers in the United States are 55 years old or older
Survey and posture of client: Lateral view
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...