TheOriginalMeyah
14.12.2020 •
Mathematics
A middle school has an oval track with the dimensions shown. What is the distance around the track? Use 3.14 for p. Show your work.
Solved
Show answers
More tips
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
- S Style and Beauty How to braid friendship bracelets?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- C Computers and Internet How to Learn to Type Fast?...
- H Health and Medicine Angina: Causes, Symptoms, and Treatment...
- D Dating, Love, Relationships How to Overcome Jealousy: Tips and Tricks...
- H Health and Medicine 10 Ways to Cleanse Your Colon and Improve Your Health...
- W Work and Career How to Start Your Own Business: Tips and Recommendations...
- F Food and Cooking How to Make Delicious Cabbage Pies: The Best Recipes!...
Answers on questions: Mathematics
- M Mathematics Plz finish this word OH...
- M Mathematics Solve the system of equations....
- M Mathematics What’s the value of (-0.001)(100)(-0.01)(-10)...
- M Mathematics Two pools are being filled with water. To start, the first pool had 1950 liters of water and the second pool had 1430 liters of water. Water is being added to the first pool at...
- M Mathematics On one day four gardeners and four helpers earned 360 dollars. On another day working the same number of hours and at the same rate of pay , five gardeners and six helpers earned...
- M Mathematics Make x the subject of the formula 3 t + x = 5 c...
- M Mathematics please put a correct answer and ill give you brainliest and put a wrong answer im reporting and giving 1 star! thanks...
- M Mathematics What is the discontinuity of the function f(x)= x^2-4x-12/x+2. PLEASE ASAP WILL GIVE BRAINLIEST!...
- M Mathematics Leon s mother paid $2.16 for 3 pounds of sugar. How much would 1 pound of sugar cost?...
- M Mathematics Please help.. :( This is confusing...
Ответ:
The dean of students mailed a survey to a total of 400 students. The sample included 100 students randomly selected from each of the freshman, sophomore, junior, and senior classes on campus last term. What sampling method was used?
Solution: The sampling method used here is stratified sampling. Because the sample included the students from each of the freshman, sophomore, junior and senior classes.
Stratified sampling is is a probability sampling method and a form of random sampling in which the population is divided into two or more groups (strata) according to one or more common attributes and and a sample is selected by some design within each group.