does anyone have answers to Statistics Basics Quick Check and Practice? tyyy!
ok, i now have the answers to Statistics Basics Practice:
The city council wants to know if its 56,000 residents favor the construction of the new athletic facility. Six hundred residents were surveyed, and 350 residents responded favorably, while 250 residents opposed the construction. Identify the population and the sample.
A:
Population: 56,000
Sample: 600
Kenya wants to know how much time students in her school spend doing their homework each day. Out of 450 students in the school, she was able to get a response from 190 students. Identify the population and the sample.
A:
Population: 450
Sample: 190
A gym manager wants to know the average number of days a person goes to the gym each week. Currently, there are 124 gym members. She sent an online survey, and 68 gym members responded. Twenty-five said they go to the gym 1–3 times a week. Nineteen said they work out 4–5 times a week. The rest said they go to the gym every day. Identify the population and the sample.
A:
Population: 124
Sample: 68
Kendra wants to know the average height of first-year high school students in her town. She randomly picked 25 male and 25 female students from each of the 10 high schools in her town. From the data she collected, she concluded that the average height of first-year high school students in her town is 5 feet, 7 inches. How many students in total were included in her representative sample?
A:
500 students
Joe wants to find the most common source of news among U.S. adults. He wants his sample to have 10,000 adults (half male and half female individuals) to make a valid generalization. How many people from each of the 50 states should he choose randomly to avoid bias in his study?
A:
200 adults
npp!