. How is the sample sized and what are the methods to collect data?
This situation about the hybrid car market made us curious to find out the details of it according to the consumer behavior. We made a meeting interview with some sort of people to complement out the report about it.
To look into the interviewees in detail, the sex of them was all male while the average age was 28 while the ol
target population.
4.4.2 Convenience Samples
Our team doesn’t know the probability that any KU students will be included in sample, so we did nonprobability sample method. Among the kinds of nonprobability sample methods, Convenience sample method is fitted with our project. It is quick and easy way for our team to pick friends and volunteers at the school as respondents.
4.4.3 Sample size
Where do women most often buy casual clothing? Data from the U.S. Shopper Database provided the following percentages for women shopping at each of the various outlets.
A recent survey using a sample of 140 women shoppers in Atlanta, Georgia.
Question!
1. Does this sample suggest that women shoppers in Atlanta differ from the shopping preferences expressed in the U.S. Shopper Dat
Sample Size : 150명
⋅ 표본집단의 대표성
- 성비 1:1
- 10대 30명, 20대 30명, 30대 30명,
40대 30명, 50대 이상 30명을 각각 추출
다문화가정
이주여성 부정적 정보에 대한 접촉 문제에 대한 관심 여부 부정적 문제
인식 정책을 알고 있는지 여부
사회적 거리 상관계수
유의확률
N -.180(*)
.025
155
결론) 1. Sampling Bottle의 Size에 따른 Particle 수준 확인 → Bottle Size에 대한 유의차 없음, 동일한 Size의 Bottle의 경우 (동일 조건)에도 변동 발생함
(추정 : Bottle Size가 작을 수록 Sampling 時 Bottle 벽에 부딪혀 생긴 Micro Bubble로 인하여 Particle 개수가 높을 것이다. But, 결론은 유의차 無)
2. Valve Open 정도에 따른 Part